1. Tuya series products do not support all devices.2. Bluetooth is only used for network signal connection and cannot be used alone. WIFI+Bluetooth is more stable3. The wall switch must be open and the circuit breaker must be powered on before it can be used.4. Wifi+Bluetooth dual mode, connect to faster. Connect to the Internet 2 times faster than Wifi only5. Two-way: It can support both one-way switch and two-way switch, which is more convenient and practical.16A high power meets the power of most electrical appliances and is than 10AThe mini body can be installed directly in the switch bottom box without placing it on the ceiling, which facilitates maintenance operations.Support dual control: can be used together with the dual control mechanical switch before connecting to the homeUse with and Google Home, Tmall GenieShare with family members for joint control3 states: default on or off, or memory stateCountdown, timing and sharing functionsInput voltage:100-240V 50/60HzMaximum load current:16AWiFi standard:2.4GHz 802.11 b/gApp name:Tuya Smart/Smart LifeDue to different batches, the appearance, color, and printed words of the product may be different, which does not affect the use.Colour:BlackMaterial:PCSize:59x42x20mmPackage Contents:1 * Controller SwitchOnly 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.