... :CDS+PIR 2)Battery:3AAA 3)Material:Plastic Plastic LED CDS+PIR Sensor Lamp(TL-84034) Specification:1) with 4 pcs super bright ... . The lamp can be take down and use for flashlight 3 Functions---Switch on,Auto(PIR+CDS),OFF3) With PIR+CDS sensor.4 ... light time: 30+-5 secondsOperation InstructionThis lamp only work in dark(illuminance<20lux),Turn the switch to auto,When people move close ...