Smart Module-TPTSTSL Series is embedded into the indoor fixtures for energy-saving. It provides embedded wireless lighting control, digital dimming, occupancy detection and daylight harvesting capabilities. It can sense motion from mounting height of up to 3 meters. The smart module provides Passive Infrared (PIR) occupancy detection and daylight level detection in one compact low profile design. Operating with 12Vdc power supply, it controls 3.3V PWM dimming driver.