Automobile Battery Detector Voltage Battery Monitor Connect Smartphone APP BM2 Charging Cranking Test For Android IOS Iphones Description: This automobile battery monitor tool is suitable for the 12 V vehicle battery, with the function of data storage, connect with the smartphone APP through the BT and so on, it is useful in your daily routine or even your work. Come on and try it, it will not let you down. Features: Receive notification of battery conditions when enter BT range, which can save your time. It can check the vehicle cranking system automatically while engine is starting, and also check the recharging system. It also can list the time of each driving anf will alert your smartphone if some data abnormal, and also has the short-circuit and reverse connection protection. With the function of data stored in battery monitor up to 35 if out of sync, and it will automatic synchronization when enter BT range. This battery monitor suitable for the 12 V vehicle batteries and you can review the historical data graphically. Specifications: Material: plastics Average current: 1.5mA Voltage accuracy: ±0.02V Input voltage: 6~20V BT name: battery monitor Short-circuit protection: built in Reverse connection protection: built in BT: 4.0 Operating temperature: -40& 8451;~85& 8451; APP keyword: BM2 Available: Android 4.3 and Later IOS: IOS 7.1 and Later Item size: 55 * 35 * 15mm / 2.2 * 1.4 * 0.6in Package size: 170 * 135 * 20mm / 6.7 * 5.3 * 0.8in Package weight: 85g / 3.0ounce Packing list: 1 * Battery Monitor