Low Voltage Buzzer Alarm 1-8S Lipo Battery Voltage Tester (BX100) HOBBYCOOL Sale! 2 reviews from $1.90 Qty. Add to Cart Buy it now This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Qty available: 87 Tweet Description Product specifications: Voltagedetection accuracy +/- 0.01V Unitvoltage display range: 0.5-4.5V Totalvoltage display range: 0.5-36V 1Stest mode voltage range: 3.7-30V Lowpressure alarm mode is 2-8S Alarmsetting range: Off-2.7-3.8V Size:40x27x12mm Package included: 1 x Lipo battery voltage buzzer checker