Smoke Alarm GS-506
Autonomous Optical Smoke Detector15.80
The unit is a photoelectric 9V DC smoke alarm. It is operated by 9v battery (6LR61 or 6F22), battery life 1 year minimum. With the photoelectric technology, it is more sensitive to detecting slow smolder fires which general thick, black smoke, little heat and may smolder for hours before bursting into flames. The smoke alarm do not contain the radioactive material which is harmless to the environment.