Smoke Detector Alarm - 4 Pack

9v 40ma 75db 150m 433mhz

ABS Working Frequency Banks Libraries Warehouses consumption Special structure detected Photoelectric detector easy testing Low Excellent stability High High sensitivity Alarm Hotels Restaurants Offices Houses Shops Hotels Libraries Warehouses Specifications light interference Application Offices Schools Banks power consumption Special Restaurants Offices Schools Schools Banks Libraries Shops Hotels Restaurants Special chamber shields Special structure design stability High sensitivity White Excellent stability