Includes all taxes
BSIDE S11 Digital Smart Multimeter Color LCD Display 9999 Digital DC AC Voltage Capacitor Ohm Diode NCV Hz Tester DMM
Are you worry about how to choose a gift?
Our S11 smart multimeter has a distinctive appearance and exquisite quality. It's easy to use, suitable for any electricians. Or friends who are interested in home appliance inspection.

Do you know how thin it is?
It just 16mm thickness, when you hold it you can make a joke say this is a cell phone. Really interesting. Have you ever
seen a multimeter that is thinner than it?


Have a guess what's the size of the large screen?
This is a brand new style 3.5 inch super large screen multimeter.Not only the screen is super large, but also triple line
display can show both ACV and Hz on the screen, shocking your vision.



Need a multimeter that won't leave your not-so-tech-savvy family member dumbfounded?
Maybe grandpa needs a multimeter, or your significant other isn't so great with technology.
Or-and don't be embarrassed-maybe you just want a multimeter for yourself that's real simple.


S11 offer most commonly used functions without overdoing it. Here are our top five bullet points:
[EBTN LCD display]: The EBTN LCD display greatly enhances the reading experience. The numbers and letters with a bright black background and color analog bars are very easy to read even in bright sunlight or under low light conditions.
[3 Results Display]: The high-resolution large screen can display 3 test results on the screen, such as voltage, frequency and analog bars.
[Automatic identification]: Automatic identification can greatly improve test efficiency. BSIDE intelligent technology enables the multimeter to automatically identify the parameters of the test and select the required range.
[Protective cover]: Durable protective cover to prevent vibration, friction and collision. This case is detachable and easy to replace.
[Upgraded flashlight]: The upgraded flashlight can change the dark environment.






S10 Specifications:
Display: 9999 counts
Screen: 3.5 inch
DC Voltage: 0.8V-620V ±(0.5%+3); Resolution: 0.001V
AC Voltage: 2.2V-620V ±(0.5%+5); Resolution: 0.001V
Resistance:1Ω-999.9Ω ±(2.0%+5); 1kΩ-60MΩ ±(1.0%+3); Resolution: 0.11Ω
Capacitance: 1nF-999.9nF ±(6.0%+5); 1uF-99.99mF ±(3.0%+3); Resolution: 0.001nF
Frequency:
1Hz-1000Hz ±(1.0%+5) (ACV:2V-10V); Resolution: 0.001Hz
1KHz-60KHz ±(1.0%+5) (ACV:10V-620V);
Resolution: 0.001Hz
Duty Cycle: 0.1%-99.9% ±(3.0%+5) (ACV:2V-620V); Resolution: 0.1%
Diode: Auto identify diode if less than 3.0V
V-Alert(non-contact voltage detection): beep alarm sounds
Live Check: alarm beep sounds, LCD screen display stripe










[Color LCD Display]: Color LCD display greatly enhance the reading experience, the lighted up numbers & letters with black background make it very easy to read, even in bright sunlight or poor light.
3 Results Display]: High resolution large screen can show 3 test results on the screen, such as voltage, frequency and analog bar.
[Automatic Identification]: Automatic identification greatly improves your test efficiency. BSIDE smart technology make this multimeter can automatically identifies the tested parameters and choose their required range.
[Rechargeable]: Come with a rechargeable li-ion battery & charging cable, you will never worry about power problem.
[EMF Detector]: Integrated EMF detector design greatly enhance your experience, suitable for home, office, factory, outdoor, etc.
S20 Specifications:
Max Display: 9999 counts
Display Type: Color display
Screen: 3.5 inch
DC Voltage: 0.5V-620V ±(0.8%+3); Resolution: 0.001V
AC Voltage: 1.0V-620V ±(1.2%+5); Resolution: 0.001V
Resistance:1Ω-10.0MΩ ±(1.2%+3); Resolution: 0.1Ω
Capacitance: 0.5uF-1000uF ±(3.5%+8), 1000uF-6000uF ±(4.5%+10); Resolution: 0.1uF
Frequency: 10Hz-1000Hz ±(2.0%+10); Resolution: 1Hz
Diode: Measure diodes within 1.0V
EMF Detect: alarm beep sounds, LCD screen display stripe
Live Check: alarm beep sounds, LCD screen display stripe
Continuity: If the resistance is less than 30Ω, the beeper sounds
Power: Rechargeable 3.7 V * 1 battery (included)
Size: 143*69*17mm
Weight: 320g
Package Includes:
1 * Multimeter. 1 * Test Lead.
1 * English user Manual. 1 * Packing Box.
1 * USB charging cable.(S11/S20)
1 * EVA portable cloth bag.(S11/S20)
1 * Protective shell.(S11/S20)





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Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
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Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
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If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
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Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
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