Specification: Features:_x000D__x000D_Battery capacity and voltage meter. _x000D_LCD screen with green backlit. _x000D_Long service life button with comfortable hand feeling. _x000D_Equipped with a PVC film, the surface is waterproof. _x000D_Built with buckle, free of screw installation. _x000D_Universal battery capacity meter, need to set up by yourself. _x000D__x000D_Functions:_x000D_1. Manually switch battery percentage / voltage / power off_x000D_2. Automatic recycling display battery capacity / voltage per 2 seconds (Settable)_x000D_3. 10s delay auto off (Settable)_x000D_4. Double discharge curve selection (Settable)_x000D__x000D_Specifications:_x000D_Color: Black_x000D_Material: HTN / PCB_x000D_Weight: 18g_x000D_Size: Approx. 61.3 * 33.3 * 13.5mm / 2.4 * 1.3 * 0.5in_x000D_Voltage: 6-70 (V)_x000D_Applicable scope: Battery or battery equipment_x000D_Storage temperature: -10 ~ 50_x000D__x000D_Setting Instruction:_x000D_1. Long press the Set key, power supply to the product, enter the setup interface_x000D_2. Press the Set key to select the battery specification (Lead acid battery(P), Lithium battery (L), Fe battery(F))_x000D_3. Short press the Function key to select the number of battery strings (increasing for set button, decreasing for function button)_x000D_4. Long press the Function key to set s mode._x000D__x000D_Package List:_x000D_1 x Battery Capacity Voltage Meter with Connecting Cable_x000D__x000D__x000D__x000D_Note: _x000D_1. Only support 12-48V battery, such as 12V P01 lead-acid battery, P04 lead-acid battery, and please note this item DOES NOT support 6V lead-acid battery. _x000D_2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Features: 1Battery capacity and voltage meter. 2LCD screen with green backlit. 3Long service life button with comfortable hand feeling. 4Equipped with a PVC film, the surface is waterproof. 5Built with buckle, free of screw installation. Universal battery capacity meter, need to set up by yourself. PackageList: