SONOFF ZBMINI L2 Single Fire Dual Control Intelligent OnOff Switch Module Cell Phone Remote Voice Control Switch 1. Compact size, can be easily installed in the concealed box, suitable for most of the switch box 2. Simple, reliable and easy to retrofit, no need to install flash extinguishers 3. Support external switch 4. Support dual-control switch wiring, without affecting the use of wall switches 5. Intelligent timing, according to your work and rest time settings automatically turn on and off the lights 6. Wireless protocol: Zigbee 3.0 7. InputOutput: 100-240V 5060Hz 6A 8. Housing material: PC VO 9. Size: about 39.5 x 32 x 18.4mm 10. Description: only the switch, does not include other items in the picture Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin