The words on the batches may differ slightly, but will not affect the applicability Remote control anytime and anywhere through Tuya/Smart Life App on mobile phone, no distance limit. Schedule/timing, countdown, cycle timing Working voltage: AC90-240V, 50/60Hz Current type: 10-63A Support system: Android/iOS Function introduction: 1. On/off switch 2. Time relay switch 3. Voltage meter 4. Ampere meter 5. Power meter 6. 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 limit Note: 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:WIFI Colour:White Material: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.