Metering, Day, month, year metered storage,Global control, timer, voice control, Overload protection, Short-circuit protection, over-current protection, Over-voltage protection, Wiring temperature protection Built-in TUYA chip to improve the stable mission and reception of WIFI signals, to avoid congestion interference. Professional CE-EMC, CE-LVD test to safe and reliable communication process. It can protect the voltage, overload current and remote APP or Web terminal Remote operation and parameter setting. Remote OTA upgrade Rated operating voltage range: 145V-295V,Over-undervoltage protection function is for 110V Number of poles: wifi(36mm), 4G(54mm) Maximum frame current: 63A Power supply mode: common power supply, with gateway Short circuit breaking capacity: Icn=Ics=10KA Mechanical life 10000 times Electrical life 6000 times Trip Type: Type C Electricity metering accuracy: 1.0 class The product appearance and printed words depending on the batch, but this does not affect use. Specification:3P 63A Colour:As Shown Material:PC Package Contents: 1 * Metering Circuit Breaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.