Nightlight 10W power consumption per hour?
Power consumption of appliances (kWh) = electrical equipment power (W) * power time (H) /1000
1 degrees 1000W per hour, your night light with 100 hours once.
Power consumption (kWh) = electrical equipment power (kW) * power consumption time (H)Nightlight 10W power consumption per hour =10W*1h/1000=0.01kWh