1. Click function: short press for one second
2. Double-click function: press twice continuously
3. Long press function: press and hold for three seconds
4. Reset function: press and hold for ten seconds
5. USB: Please choose a 5V=1A adapter to connect this product
6. LED: blue status indicator light; red charging indicator light
7. Working temperature: -20~70 degrees Celsius
8. Battery capacity: 3.7V 450mAh
9. Compact appearance, can be placed anywhere
10. Need to be used with Zigbee gateway, various application scenarios
11. Three key states: single click, double click, long press
12. Wide range of use scenarios, can be used as SOS button, wireless switch or doorbell, etc.
13. Size: 58x55x20mm
14. Weight: 33.9g

The full set includes:
Host x 1
Charging cable x 1
Chinese and English manual x 1