Features Clear 6-Digit LCD Display - Enjoy enhanced visibility with the 6-digit LCD, making it easy to read and monitor your measurements at a glance Accurate and Reliable Counting - Experience precision with every count, ensuring dependable performance for all your electrical monitoring needs Durable Digital Design - Benefit from a long service life with no mechanical wear, providing a robust alternative to traditional electromagnetic counters Convenient Standard Size - Simplify installation with a 48*24 mm panel size, designed to fit seamlessly into your existing setups without hassle Long-Lasting Built-in Batteries - Rely on the built-in lithium batteries with a theoretical lifespan of up to 3 years, ensuring extended memory retention and consistent operation Specification Model: H7ET-BVM Voltage input: AC110-220V Timing display mode: hour / minute / second (Optional) Panel size: width 48* height 24* thickness 50mm Opening size: 22.5*45 mm Timing mode: positive timing; accumulated time Display word height: 6.7mm Built-in battery: 3V, 800mA lithium-ion battery, good display, long memory time (battery life ≥ 3 years) Reset mode: panel button reset, rear terminal reset (can be reset automatically) Timing display mode: 00000 hours 0 minutes ~ 99999 hours 9 minutes (0.1 is 6 minutes) 0000 hours 00 minutes ~ 9999 hours 59 minutes 00 hour 00 minute 00 second ~99 hours 59 minutes 59 seconds Timing work signal: (110~220V power supply) Power on: Timing; Power off: Stop timing Package List 1 * Counter Note The actual product color may deviate from the photo due to light There may be a slight deviation in the measurement of product