Nevlantii 2pack of RC Lipo Battery Voltage Checker Monitor Low Voltage Alarm Buzzer Alarm
<b>Features:</b><br> 1. Test the working state of lithium battery. Protect the battery from overcharging or overdischarging.<br> 2. Compatible for 1-8S Lipo/ Li-ion/ LiMn/ Li-Fe battery. The pin space is about 3mm (0.12inch). Straight pin.<br><br> <b>Specification:</b><br> Dimension: 4.0 x 2.3 x 1.1cm (1.6 x 0.9 x 0.4inch)<br> Package weight: 15g (0.5oz)<br> Voltage detection precision: 0.01V<br> Unit voltage display range: 0.5V-4.5V<br> Total voltage display range: 0.5V-36V<br> 1S test mode voltage range: 3.7V-30V<br> Low voltage alarm mode: 2-8S<br> Alarm set value range: OFF-2.7V-3.8V<br><br> <b>Package Included:</b><br> 2x Voltage Buzzer Alarm<br><br> <b>Notice:<br> When the voltage lower than the set value, it will buzzer with red LED light. Pre-set value is 3.3V. Push key can change the voltage setting and save.</b>