2pcs Remote Control Helicopter Multicopter Spare parts Lipo LiFe LiMn Li-ion Battery Monitor Alarm Low Voltage Buzzer Alarm Indicator 1S-8S<br />Features:<br />1. Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe.<br />2. When the voltage is below the set value?it will buzzer with red LED light?pre-set value 3.3V.push key which can change the voltage settings and save.<br /><br />Specifications:<br />1. Size: 4.0 x 2.3 x 1.1 cm<br />2. Weight: 10g / 1pc<br />Voltage detection pricision: 0.01V.<br />4. Unit voltage display range: 0.5V-4.5V.<br />5. Total voltage display range: 0.5V-36V.<br />6. 1S test mode voltage range: 3.7v-30v.<br />7. Low voltage alarm mode for 2-8S.<br />8. Alarm set value range: OFF-2.7V-3.8V.<br /><br />    Specifications<br />Specifications<br />	 Type: Monitor Alarm                                                	<br />Dimension and Weight<br />	 Package Weight: 0.050 kg                                                  <br />                        Package Size (L x W x H): 4.00 x 2.50 x 1.20 cm / 1.57 x 0.98 x 0.47 inches                                                	<br />Package Contents<br />	 Package Contents: 2 x Monitor Alarm                                                	<br /><br /><br /><br />                                                <br />