Real-time monitoring of voltage, current, and power generated and consumed by each channel in kilowatt-hours Power statistics - display of power usage percentage to avoid abnormal power consumption Monitor equipment working status Rich features: automatic adjustment of ventilation values and push notifications Simple and safe installation Product name: Smart Dual-directional Meter Monitor APP: Smart Life/Tuya Smart Operating temperature: -10-55°C Power input: AC 110-240V 50/60Hz Current measurement range: 0.2A - 80A Compatible: All compatible Meter function: Real-time monitoring of dual-directional energy consumption and generation Color: As shown Material: plastic Package contents: 1 x Controllers 2 x CT Transformers 1 x Backside Label 1 x English Instruction Manual Only the above package contents included, other products are not included. Note: Light reflection and different screens may cause the color of the object in the image to slightly differ from the actual. The allowable measurement error is +/- 1-3 cm.