Specifications: Name: Current and Voltage Meter Voltage measurement ranges: AC160V-275V, ±1% Current measurement ranges: AC 0-100A, ±1% Starting test current: 0. 1A Energy measurement ranges: 0-9999KWH, ±1% Other functions: Press and hold the key for 10 seconds to reset the electrical energy size: 37 x 66 x 80mm Material: PC colour: White Package Contents: 1 x Current and Voltage Meter 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. LCD color display, clear definition, at a glance.The multifunctional design supports the measurement of AC voltage, current, energy. Functional metering, strengthening electricity management, and making electricity bills more transparent.Standard size, 2P size, 35mm standard guide rail installation, support both up and down wiring for easy installation, strong versatility. Widely used in homes, rental housing, hotels, homestays, office buildings, shopping malls, electrical equipment electricity metering, and so on. intelligent chip, stable operation, high sensitivity, and accurate measurement, with low power consumption. Features: The housing is made of PC material, high-temperature and flame-retardant, effectively preventing fire hazards.