Battery Type | Use | Notes |
---|---|---|
Sealed Lead-Acid | Most alarm panels | Reliable, cost-effective |
Alkaline | Rare, small devices | Non-rechargeable |
Lithium-ion | Wireless devices | Longer life, more $ |
Sensor Type | Detection Method | Strengths |
---|---|---|
PIR | Infrared (body heat) | Low cost, indoor |
Glassbreak | Acoustic/vibration | Windows, glass |
Magnetic Contact | Open/close | Perimeter, least false alarms |
Dual-Tech | PIR + Microwave | False alarm resistant |