Wireless Smoke Alarm Detector.

First alert battery-operated fire smoke alarm detector. Built in siren. Ceiling or wall mounting. Quick & easy installation, no wiring required. Loud alarm, 85 decibels alarm signal. Suitable for homes, dance halls, warehouses, etc. Requires 1x 9V square battery. 

• Size: 102 x 31mm.

Buy 3 or more items and get each for R70.