The words on the batches may differ slightly, but not affect the applicabilityRemote control anytime and anywhere through Tuya/Smart Life App on mobile phone, no distance limit.Schedule/timing, countdown, cycle timing Working voltage: AC90-240V, 50/60HzCurrent type: 10-63ASupport system: Android/iOSFunction introduction:1. On/off switch2. Time relay switch3. Voltage meter4. Ampere meter5. Power meter6. Overcurrent protection 10A-63A (adjustable) (default: 35A)7. Overvoltage protection 1V-400V (adjustable) (default: 265V)8. Undervoltage protection 50V-300V (adjustable) (default: 180V)9. Current limitNote: The N line end needs to hold down the button for wiring. If the user's voltage is 110V, please change the undervoltage setting first, because this setting defaults to 180V, and if it is not changed, the device cannot be turned on. Wiring. The power supply must enter from the top and must be live line + neutral line (L+N). Cannot use live line + live line (L+L). Specification:ZigbeeColour:WhiteMaterial:ABS Package Contents:1 x breaker 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.