Product specifications: Product size 61.5*33.5*13.5mm Installation size 58.5*28.5mm Screen size 33*16.5mm Product weight 20/21/22g Working voltage 10V to 100V Working power supply Backlight 8/10mA on Delay time adjustable 10~120S (10.20.30.60.120 seconds adjustable) Standby power consumption 15/20uA 20V Voltage accuracy 0.1/0.5% Accuracy of temperature 0.5/1C standard built-in (30CM external probe option) Temperature range -19~80C Celsius Temperature range -2.2~179F Overheating alarm adjustable 0~79C (1 second interval after overheating) flashing temperature value Overheating alarm adjustable 0~179F flashing temperature value Low voltage alarm adjustable 10.5~60.0V flashing voltage value Package includes: 1 * Lead Acid Battery Capacity Indicator Features: Color LCD material, clear display, soft night color Customized battery type, suitable for lead acid battery, lithium battery, lifepo4, NiMH battery Display remaining battery percentage, voltage, temperature value (Celsius, Fahrenheit can be set) 0-100V wide voltage input, reverse polarity protection Sleep with customized delay time of 10-120 seconds Low power sleep shutdown Simple installation, comes without pressure screws Low voltage alarm (built-in buzzer optional) Over temperature alarm (built-in shared buzzer optional) Real-time battery temperature detection (temperature probe external optional) Open programming mode (all batches of customer request parameters are factory set and used directly) Product description: Color LCD material, clear display, soft night color Customized battery type, suitable for lead-acid battery, lithium battery, lifepo4, NiMH battery Display remaining battery percentage, voltage, temperature value (Celsius, Fahrenheit can be set) 0-100V wide voltage input, reverse polarity protection 10-120 seconds custom delay sleep luckymeet