Item Details: *Custom battery type, suitable for lead acid, lithium battery, lifepo4, nickel hydrogen battery *Display percentage remaining power, voltage, temperature value (degrees Celsius, Fahrenheit can be set) *10-100V wide voltage input, reverse connection protection *Custom delay 10-120 seconds sleep *Shutdown sleep low power consumption *Simple installation, self-contained buckle free screw *Low pressure alarm *Over temperature alarm (shared built-in buzzer optional) *Battery temperature real-time detection (optional external temperature probe) *Open programming mode Specifications: *Product size 61.5*33.5*13.5 mm (2.42*1.32*0.53in) *Mounting size 58.5*28.5 mm (2.30*1.12in) *Display size 33*16.5 mm (1.30*0.65in) *Operating voltage 10V to 100 V *Operating power 8/10 mA backlight on *Delay time adjustable 10~120S (10.20.30.60.120 seconds adjustable) *Sleep power consumption 15/20 uA 20V *Voltage accuracy ±0.1 / ±0.5 % *Temperature accuracy ±0.5 / ±1 °C Built-in standard (external 30CM probe option) *Temperature range -19 ~ 80 °C Celsius *Temperature range -2.2~ 179 °F Fahrenheit *Over temperature alarm adjustable 0 ~ 79 °C (1 second interval after over temperature) buzzer temperature value flashing Over temperature alarm adjustable 0 ~179 °F (1 second interval after over temperature buzzer) temperature value flashing *Low-voltage alarm adjustable 10.5~ 60.0 V (1 second interval after low voltage buzzer) voltage value flashing *Working temperature -10 ~65 °C Package Contents: 1*Battery Capacity Indicator 1*Cable Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. *The surface is dustproof and waterproof, with full protection of the back cover *Protection---The battery power detector has a protective shell, dust-proof and waterproof surface; input reverse connection protection. *Simple setting---the red wire is positive and the black wire is negative. Insert the white plug with electronic protection function into the socket of the tester module. *One-piece display port, soft button *Color LCD material, clear light display, soft night display