4-Tier Home Security: Protection Before, During, and After
Tier 1: Deterrence
- Clearly visible security cameras
- Alarm system warning signs
- Smart doorbell signaling a monitored home
- Motion-activated lighting at all entry points
Tier 2: Detection
- Exterior PIR motion sensors
- Door/window contact sensors on every opening
- Glass break sensors on large windows
- AI camera: distinguish human vs animal vs vehicle
Tier 3: Alarm and Alert
- External siren ≥ 110 dB
- LINE notification with camera snapshot
- Automated phone call to homeowner and neighbor
- Police line notification if desired
Tier 4: Evidence
- NVR with continuous + motion-triggered recording
- Automatic cloud backup of latest 24-48 hours
- Local NAS storage for 30 days
Choosing Security Cameras for Thai Homes
Camera types and applications:
Bullet Camera:
- Suitable for entrances and parking
- IP67 waterproof for Thai sun and rain
- 20-30 meter viewing range
- Recommended: Dahua SD series, Hikvision DS-2CD series
Dome Camera:
- Suitable for indoor ceiling mounting
- Less intimidating appearance for interior use
- Wide angle 120-180°
PTZ Camera:
- Direction-controllable from app
- Suitable for wide areas like front yard
- Cost: 3,000-8,000 THB
Doorbell Camera:
- Two-way audio to speak with visitors from phone
- Package detection notification
- Recommended: Reolink Video Doorbell, Amcrest AD110
Recommended resolution:
- Main entrance: 4K (8MP) to clearly capture faces and license plates
- Exterior perimeter: 2MP-4MP is sufficient
- Interior: 1080P is sufficient
Smart Locks: Intelligent Access Control
Smart lock types for Thai doors:
Rim Lock (surface-mount): easy installation, suitable for rentals.
- Samsung SHP-DP609: fingerprint + PIN + card + app, 6,000-10,000 THB
Mortise Lock (replaces existing lever lock):
- Aqara U100: Matter + Apple Home + native HA, 4,500-7,000 THB
- Best fit for HA ecosystem
Deadbolt Smart Lock:
- Yale Assure Lock 2: Z-Wave, compatible with HA, 8,000-15,000 THB
Gate Access Control:
- Keypad + electric gate controller
- Face recognition terminal: 8,000-20,000 THB with Wiegand interface for HA integration
Alarm System Integration with Home Assistant
HA includes a built-in Alarm Control Panel supporting:
- Armed Away: all sensors active when home is vacated
- Armed Home: perimeter sensors only (interior movement allowed)
- Armed Night: door/window sensors only, interior motion disabled
- Disarmed: all alarm functions off
All modes support configurable Entry/Exit Delay (e.g. 30 seconds before siren triggers) to allow PIN entry.
Summary: Security Is Investment, Not Expense
Full security system budget for a detached home:
- 6-8 cameras: 12,000-25,000 THB
- NVR + HDD: 8,000-12,000 THB
- Smart locks (2-3 doors): 15,000-25,000 THB
- Alarm siren + sensors: 5,000-10,000 THB
- Total: 40,000-72,000 THB
Compared to the value of property inside and the peace of mind for the family — a thoroughly worthwhile investment.