The shell is made of PC material, which is to high temperature and flame retardant, effectively preventing fire hazards. intelligent chips, stable operation, high sensitivity, accurate measurement, and low power consumption. LCD color display, dual interface display, voltage-current-active power output or frequency-power factor-power-power, clear and clear at a glance.Multi-function design, supports the measurement of AC voltage, current, active power, frequency, power factor and electrical quantity. Functional metering, strengthen electricity management, and transparent electricity bills. Standard size, 2p size, 35mm standard rail installation, support upper and lower wiring, easy installation, and strong versatility. Widely used in homes, rental houses, hotels, guest homes, office buildings, shopping malls, electrical equipment meters, etc. Name: Ampere-Voltmeter Voltage measurement range AC80V-270V, ± 1% Current measurement range AC 0-100A, ± 1 Start test current: 0. Active power measurement range: 0-25kW, ± 1 Start test power: 10W Energy measurement range: 0-9999kWh, ± 1 Other functions Optional RS485 communication interface and hold the button for 10 seconds to reset the energy Colour:White Material:pc Package Contents: 1 * kWh energy detector 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.