1. Simple installation, low power consumption 2. High-definition display interface data, safer power consumption and more accurate data 3. Mobile phone remote control, unlimited distance 4. Installed with standard guide rails, no screws are needed, and the buckles are fixed, which is convenient and convenient to install 5. With over-current power-off protection This 2P energy meter has a higher definition interface, more accurate data display, more convenient operation, safer electricity use. Voltage, current, power, timing, electric energy, temperature, frequency and power factor Eight in One design, convenient for users to understand the use of electric energy, realize the visualization of electricity consumption. Standard guide rail installation, suitable for apartments, companies, shopping malls, hotels, family homes, and so on. Product parameters Input voltage: AC170-300 (V) Current range: 0.63A Power range: 0.17KW Timing range: 0-999 hours Electric energy range: 0-9999KWH Temperature range: -20-150°C Frequency range: 50-60HZ Power factor: 0.00-0.00PF Model: KWS-302L (without WIFI, with power-off function) Power off memory: Yes Undervoltage protection: Yes Overvoltage protection: Yes WIFI: no The actual product may have slight color difference or difference, which will not affect the use Colour:White Material:plastic Package Contents: 1 x Energy 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.