SD13 Smoke Alarm Key Features: * Worry-free! 10-year sealed-in lithium battery * Advanced photoelectric sensing technology offers high sensitivity * Auto-check malfunction * Low battery warning * Manual Test & Auto-Reset * Dustproof, mothproof & Anti-visible light * Anti-RFI (20V/M-1GHz) SD13 Smoke Alarm Specifications: * Sensor Type: Photoelectric * Alarm Sound: >85dB (3meter) * Power Supply: DC 3V lithium battery (included) * Power Supply Life: 10 years * Alarm Current:
