Use for 1-8s Lipo / Li-ion / LiMn / Li-Fe batteryTest the working state of lithium battery.Low voltage alarm mode for 2-8SNOTE: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.Product parameters:1. For 1S-8S lithium battery detection2. Voltage detection accuracy: 0.01V.3. Group voltage display range: 0.5V~4.5V4. Total voltage display range: 0.5V~36V5.1S test mode voltage range: 3.7V~30V6. Low voltage buzzer alarm mode 2S - 8S7. Alarm voltage setting range: OFF~2.7~3.8VDelivery Quantity: 2pcs,Dimensions: 40mm x 25mm x 11mmColour: BlackKind tips1. Package content: only the above package content, excluding other products.2. The size is measured manually, please allow 1-2 cm measurement error3. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.