Feature

●● Magnetic sensor sounds chime and alarm when it senses the door or window to open. Choose from 16 different sounds that normally detect visitors, or use it as a security alarm when you are absent. It has a single mode that detects visitors and a continuous ring mode that prevents forgetting to close it. Easy installation with double sided tape; Adjustable volume; Song: For checking visitors and family visitors of shops; Siren: For detecting intruders from doors and windows; Easy installation with double-sided tape (main specifications) Size: Main body (W x D x H): 1.2 x 0.5 x 0.5 inches (30 x 14 x 127 mm); Magnetic/124.4 g); Country of Origin: China; Power Supply: China. 4 alkaline batteries x 2. Individual pieces (sold separately); Sound pressure level: 55 - 75 dB/1 m (both chime and siren); Battery life: Approx. 6 months (when operating 10 times a day with a new battery and ringed a song once a movement); *It may be shorter depending on the volume and song. Door Open Warning Function: When you select "Song" and "Turnback", it will continue to ring until the door is closed. Selection sounds: 13 songs, siren: 3 types


Description

● Magnetic sensor sounds chime and alarm when it senses the door or window to open. Choose from 16 different sounds that normally detect visitors, or use it as a security alarm when you are absent. It has a single mode that detects visitors and a continuous ring mode that prevents forgetting to close it. Easy installation with double sided tape; Adjustable volume; Song: For checking visitors and family visitors of shops; Siren: For detecting intruders from doors and windows; Easy installation with double-sided tape (main specifications) Size: Main body (W x D x H): 1.2 x 0.5 x 0.5 inches (30 x 14 x 127 mm); Magnetic/124.4 g); Country of Origin: China; Power Supply: China. 4 alkaline batteries x 2. Individual pieces (sold separately); Sound pressure level: 55 - 75 dB/1 m (both chime and siren); Battery life: Approx. 6 months (when operating 10 times a day with a new battery and ringed a song once a movement); *It may be shorter depending on the volume and song. Door Open Warning Function: When you select "Song" and "Turnback", it will continue to ring until the door is closed. Selection sounds: 13 songs, siren: 3 types