Standalone Smoke Alarm - 10-year Lifespan

Key Features:

1. Dual-Emitter Photoelectric Chamber (40s Self-Test)

2. 88dB@3m Audible Alarm

3. 0.7mm Anti-Insect Mesh

4. MCU Auto-Calibration System

5. Single-Button TEST/HUSH Control

Technical Specs:

- Power: 2×AA Batteries (3+ yr standby)

- Material: Fire-Retardant ABS

- Detection: Optical Particle Sensing

- Compliance: UL 217/EN 14604 (implied)

Critical Protocols:

50cm clearance from walls/corners

Monthly functional test

Low-battery alert = intermittent beep

What's in the box
A smoke alarm