1PC FLAME RETARDANT MATERIALS: The use of good quality PC flame retardant materials has the characteristics of fire resistance, high and low temperature resistance, impact resistance and insulation, making electricity safer. 2METAL GUIDE RAIL INSTALLATION: The product adopts metal guide rail installation, possess small size, light weight, modular structure, durable and easy to maintain. 3BETTER AND MORE STABLE CONDUCTIVITY: Selected good quality components, the gasket is made of copper material, the conductivity is better and more stable, so that users can use with more peace of mind. 4SUPPORT FOR TUYA APP: Applicable to for Tuya APP, come with switch function, support intelligent control, very convenient 51W, 6VA POWER CONSUMPTION: Support 2 pole, DIN rail installation method. Power consumption is less or same to 1W, 6VA, energy saving and power saving Item Type: WIFI Smart Energy MeterProduct Material: PC + copperProduct Model: ZMAI-90Voltage: AC 90-250VRated Current: 60AWorking Voltage: 0.9-1.1UnPulse Frequency: 1200imp/kWhUltimate Working Voltage: 0.7-1.3UnWorking Temperature: -45~70Power Consumption: 1W, 6VAInstallation Method: DIN railAPP: For TUYAPoles: 2PWith switch function 1 x Smart Energy Meter4 x Plug1 x User Manual