Model no : BT31FC
1.Keep Sensor unit 1.6 Mtr higher from the ground level.
2. The light, such as incandescent lamp which emits high heat should be kept from the switch aways, or it will be turn on/off voluntarily.
3. On being fixed to the wire first time, the switch’ initialization will take 1-2 minutes. It’s natural for the switch to turn on/off voluntarily.
4. When you install the switch on daytime, the Default State of the switch will make the light off.Keep the detector of the switch from illumination, & then the light will turn ON. The darker, the switch will be more sensitive. If it is not very sensitive, turn the yellow port counterclockwise with a long and thin tool to get a proper light sensitivity.