1-8S Battery Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester 2in1 Package includes: 1 piece of attery Low Voltage Buzzer _x000D_ _x000D_ The product will be upgraded constantly, the appearance and color may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. _x000D_ _x000D_ 1. Used to detect 1S-8S lithium batteries _x000D_ _x000D_ 2. Voltage detection accuracy: 0.01V _x000D_ _x000D_ 3. Group voltage display range :0.4V-4.5V _x000D_ _x000D_ 4. Total voltage display range: 0.5V~36V _x000D_ _x000D_ 5.1S Test mode Voltage range: 3.7V~30V _x000D_ _x000D_ 6. Low voltage buzzer alarm mode 2S-8S _x000D_ _x000D_ 7. Alarm voltage setting range: OFF~ 2.7V ~3.8V _x000D_ _x000D_ 8. Size: 40mm x 25mm x 11mm _x000D_ _x000D_ 9. Loud alarm sound (using a special frequency, even in noisy environment can hear the alarm sound) _x000D_ _x000D_ 10. Weight :9g _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 1.Dear buyer, if you want to buy in bulk, please contact us and we will give you a big discount or also use discount coupons to deduct. _x000D_ 2.If you want to send by express, such as DHL, Fedex, UPS, TNT, SF Express,ect. You can contact us to change the price, I will give you a reasonable freight. _x000D_ 3. The shop supports , if you have more orders, I can give you the price. _x000D_ 4. If you have any questions, please contact us to solve! _x000D_ _x000D_ _x000D_