Easy installation. Use motion sensor tape or 2 screws in the package to attach it to entrances of porch, store, office, factory, garage or any other place. The infrared sensor can be installed anywhere. Simply place the wireless receiver on or near your desk. How to connect the infrared sensor/magnetic sensor/remote control Press the off button to turn off the receiver.< /p> 2. Press the volume button for 3 seconds until you hear a DU sound and the light turns on to enter pairing mode. Then release the volume button. (Make sure the infrared sensor and receiver have enough power). 3. Turn on the infrared sensor and move your hand over the surface of the infrared sensor / separate magnetic sensor / press any button on the remote control to trigger the sensor and complete pairing. PS: If you need to set a special light or ringtone for the additional sensor / magnetic sensor, please repeat the above steps to pair them individually. Otherwise, you may trigger the magnetic sensor continuously after pairing in pairing mode. How to delete all paired devices Press the stop button to turn off the receiver. 2. Press the volume button for 10 seconds until you hear a DU DU DU DU sound and the red light flashes three times. All devices are deleted. How to set the light color Press the stop button to turn off the receiver. 2. Press the volume button for 3 seconds until you hear DU sound and the indicator lights up to enter pairing mode. Press the music button to select the desired light color. 3. Turn on the infrared sensor and move your hand over the surface of the infrared sensor / separate magnetic sensor / press any button on the remote control to trigger the sensor and complete pairing. Each color can be coupled with up to 8 infrared / magnetic sensors. There are 4 colors available, so you can pair up to 32 infrared/magnetic sensors. How to set ringtones/volume 1. Press the "M" button to select the desired mode. Press once to change mode. 1. Welcome mode 2. Doorbell mode 3. Alarm mode 4. Color light mode 5. Lighting mode 2. Press the "Music" button to select the ringtones you want. Press once to change the ringtone. / Press the volume button to adjust the volume. Volume adjustable on 4 levels. Tap once to move up a level.