Light Control Switch Relay (12V, with Photoresistor XH-M131) TMP36GT9 4 recommended for stability) with

4 recommended for stability) with Bluetooth 4

The output valid signal is low

Optimized the conversion protocol

USB-powered

LCD Module Dimensions (w x h x d): 98 x 60 x 13

Light Control Switch Relay (12V, with Photoresistor XH-M131) TMP36GT9 4 recommended for stability) with12V Light Control Switch Relay module can be used for light detection and automatic triggers. The light control switch with photoresistor XH M131 can do a variety of brightness detection. It can automatically turn on at night, and automatically turn off during the day. Can be used when equipment needs to be automated. Physical Features: 4 M3 screw mounting holes Module output has three ports common (COM) normally open (CK), normally closed (CB) Board