Size: Panel 86mm*86mm,wall penetration depth 25mm Rated voltage: 110V-240V to 50Hz/60Hz Communication method; zigbee3.0/wiFl are optional Voice function: Highly sensitive microphone, Al chip, self-learning of wake-up words, 100 command words, 3 self-learnable command words Four-way control: Supports dimming or scene control Dimming function: Supports brightness, color temperature, and RGB dimming Four-channel load: In working mode, it is in a long power-on state.In maintenance mode,it can control the power supply without a main light. Rated load: Max80ow per channel. Battery life: 10o,000 times Multi-wake word function: Built-in 8 wake words, freely switchable.