1. Connection type: 2.4GHz 802.11b/g/n 2. Input power: 5V DC 1A 3. Interface: MICRO USB 4. Infrared distance: less than or equal to 8 meters 5. Working temperature: 0-50 degrees Celsius 6. RF (radio frequency): 433/315MHz 7. USB direct plug power supply 8. Dimensions: 6.8x6.8x2.7 cm