FIRE SMOKE SENSOR ALERT ALARM SYSTEM, For Home Security, Mall Security, Office Security, Shop Security

Walnut innovations fire smoke sensor detection alert alarm system photoelectric smoke detector , properly installed and maintained. Residential smoke alarms, are one of the best and least expensive ways to provide an early warning when a fire begins. Smoke alarms save lives, prevent injuries and minimize property damage by alerting resident early to a fire hazard. Features: *sound & flash alarm, loud 85db alarm signal *dc 9v battery operated smoke detector *photoelectric sensor, detecting from all directions *low battery waring *test button for easy recommended monthly testing *ceiling or wall mounting *suitable for any rooms *flash alarm indicator (red led) *item size: 11 cm x 2.5 cm