description: 100% new high quality Battery capacity and voltage meter. LCD screen with green backlit. Long service life button with comfortable hand feeling. Equipped with a PVC film, the surface is waterproof. Built with buckle, free of screw installation. Universal battery capacity meter, need to set up by yourself. Color as shown Material: HTN / PCB Size: Approx. 61.3 * 33.3 * 13.5 / 2.4 * 1.3 * 0.5in Voltage: 6-70 (V) Applicable scope: Battery or battery equipment Storage temperature: -10 50℃ Uses: Setting Instruction: 1. Long press the Set key, power supply to the product, enter the setup interface 2. Press the Set key to select the battery specification (Lead acid battery(P), Lithium battery (L), Fe battery(F)) 3. Short press the Function key to select the number of battery strings (increasing for set button, decreasing for function button) 4. Long press the Function key to set s mode. Packing: 1 x Battery Capacity Voltage Meter with Connecting Cable