Xiaomi Aqara WXKG11LM Manual Del Usuario página 6

Option 2: Remove the protective film, and stick it to the
desired position.
* Keep the surface clean and dry.
Specifications
Model: WXKG11LM
Dimensions: 45 × 45 × 12 mm (1.77 × 1.77 × 0.47 in.)
Wireless Protocol: Zigbee
Battery: CR2032
Operating Temperature: -10° – +50° C
Operating Humidity: 0 – 95% RH, no condensation