Home Security Alarm, OXOQO Wireless Motion Sensor Alarm Commercial Hotel Visitor Guest Entry Doorbell Chime with 38 Melodies 3 Volume Levels & LED Flash
PIR Technology: The sensors use the most advanced PIR sensors to detect any movement within the effective range. Suitable for long or hidden lanes and allows you to give an early warning when guests are coming.
Effective Distance: The working area can reach up to 230 feet. Infrared sensing distance 10-23 feet. It can work perfectly in your home, office, shop, hotel or other building.
Music Source: Built-in 38 different songs for selection. Volume adjustment function, there are three kinds of volume (high, medium, low) to choose from.
Easy to Install: Wireless installation, sensors can be installed on the wall, select music and volume. Infrared sensors detect motion and send signals to the receiver.
Easy to Use: You can select different modes from day to night, and you can also open or close by pressing a button. Very good and convenient. There are two ways to power the device battery or charger adapter.