Arctic Hayes SleepSafe Smoke Alarm Tester - 150ml
The Arctic Hayes SleepSafe Smoke Alarm Tester is a simple and easy-to-use way to test your smoke alarm's sensor. Simply shake the can, hold it 300 mm away from the smoke alarm and spray for 2 to 5 seconds. The aerosol will create a simulated smoke signal, which will trigger the alarm if it is working correctly.Up to 40 tests per can.