Practical motion sensor set: you will receive 3 pieces of motion detectors in black colors, with a load power of approximately 5W to 100W, and a working voltage of about DC 2.7 V-12V, reliable and reusable to use. The infrared sensor switch utilizes human motion infrared rays as control signal sources; when someone enters the detection field, it will immediately activate the controlled load. Accurate sensitivity: this intelligent motion sensor light switch is a digital automatic control product, highly sensitive and dependable; when an object or person enters the sensing range, this detector can automatically turn on, and it can automatically delay off after the person leaves, effectively preventing the lights from staying on unnecessarily. Energy-saving with low heat and low power consumption. The motion sensor automatically turns lights ON when motion is detected and OFF after a preset time delay (5 seconds to 6 minutes). People can enter the sensing range and the device will automatically turn on. When people leave, it can automatically delay the shutdown, which prevents conventional switches from being left on. Colour: black Material: plastic Package Contents: 3 x Automatic motion sensors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3cm.