Pay in 4 interest-free payments of $4.92 Learn more
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Ultrasonic frequency: 40KHz + / - 1KHz
Wireless Frequency: 2
Ideal for testify Bank Notes
baby shower
Wireless Fire Smoke Detector skull wireless bluetooth speaker Ultrasonic frequency: 40KHz + /This smoke detector detects the smoke to make sure everyone is awakened and alerted in case of a fire emergency. The detector is suitable for detecting the smoke in home, room, shop, hotel, restaurant, office, school, bank, library, computer house, storehouse and etc, it can work independent and can also work with our alarm system. Specification: Working Voltage: 9V battery(Not Include) Transmission frequency: 433MHZ Working Current: lower 40mA
US$ 133.95
US$ 67.95
US$ 60.00
US$ 22.00
US$ 350.48
US$ 24.95
US$ 29.95
US$ 10.00
US$ 177.95
US$ 24.95
US$ 17.95
US$ 45.95
US$ 399.98
US$ 21.95