Description The Lighting Sensor Circuit Board is a scientific experiment-assisted developmental toy. It stimulates student's development through scientific experiments and provides a realistic environment with its electronic Circuit Boardmodel. Features - Color: As Shown - Material:Resin - Size: 4.00X4.00X0.70cm/1.57X1.57X0.28in -Induction Angle: 120 - Sensing distance: about 1-3 meters -Input/Output: DC3-5V - Load current:0.5A - Mountinghole diameter: 3mm/0.12in - Mounting hole spacing: 33mm/1.30in - Note: Delay 2-3 seconds to turn off the load - Encourages scientific exploration with the DIY Electronic Lighting Sensor. Foster practical skills and thinking. - The circuit tool can bring much more joy to your kids and they will learn so much in the process of having fun. - This DIY Circuit Boardallows students to conduct multiple experiments and is great to share with family, friends, or classmates. - Easy to use, not only for home, but also for school, better attract students, cultivate their active learning towards science. -If the load is a light bulb, you need to connect the relay, booster module, etc.Packing list1 x human motion sensor circuit board1 x cap