Features: Wifi smart energy meter, made with solid durable plastic shell, premium electronic parts for stable performance, easy installation. Accurate monitor of consumed electricity, voltage, current in real time; LCD screen clear to display the measurements, very convenient. In addition to through the meter, information (voltage, current and real power consumption) easily reviewed by the app. Remote control via mobile app anytime anywhere, for switch on/off, delay or timer to turn home appliances on/off at a specific time. Electricity monitor, allowing to grasp home energy use, help conserve energy and save costs; a must have tool at home. Specifications: Material: Plastic + Eletctronic Components Color: White Reference Voltage: 110V-230V Calibration Current: 5(60)A Meter Constant: 1200imp/kWh Item Size: 81*36*66mm / 3.18*1.41*2.59in Item Weight: 155g / 5.46oz Package Size: 9*8*4cm / 3.54*3.14*1.57in Package Weight: 175g / 6.17oz Note: Smart electricity meter only, others in pictures are not included. Please read user manual for more information before usage. Due to manual measurement, there may be deviation. Due to lights or others, it may slightly differ from pictures. Packing List: 1 * Smart Electricity Meter 1 * User Manual 1 * Fastener 4 * Protective Cap