USE · 01
"Kasambahay arrived" notification
Sensor on the gate door. Phone buzzes when she comes in at 7am — peace of mind from your office.
Doors & Windows
Contact Sensor
A battery-powered sensor that knows when a door or window opens. Notification on your phone the moment the kasambahay arrives, the fridge gets left open, or your teen sneaks out.
Door/window detection
Two-piece magnet design. Stick, peel, done.
2-year battery
1× CR2 lithium. Set and forget.
Phone alerts
Notification when state changes (open or closed).
Triggers automations
Front door opens → sala lights on. Bedroom door closes → kid's bedtime scene.
✓ 1-year local PH warranty
✓ Ships from Manila warehouse
✓ Genuine SwitchBot
Quiet awareness
Know what's opening, when.
USE · 02
"Ref left open" alert
Sensor on the ref door. If it's open >2 minutes, phone alert. The yelo doesn't melt; the bill stays low.
USE · 03
"Welcome home" lighting scene
Front door opens after 6pm → sala lights warm up automatically.
Specs
The technical bits.
| Detection | Magnetic contact (open/closed) |
| Battery | 1× CR2 lithium (included) |
| Battery life | Up to 2 years |
| Connectivity | Bluetooth 5.0 (use Hub for cloud) |
| Mounting | 3M adhesive (included) |
| Pieces | Sensor + magnet, magnetically paired |
| What's in the box | 1× Contact Sensor + magnet, CR2 battery, adhesive, manual |
FAQ
Common questions.
Do I need a Hub? +
For phone notifications when away from home, yes. For local Bluetooth-only, no.
Will it stick to my metal gate? +
Yes — 3M VHB adhesive sticks to metal, wood, glass.
Can I use it on the ref? +
Yes — most popular use. Tells you when the ref door is open >2 minutes.
Two-piece design — does both pieces need batteries? +
No. Only the sensor side has electronics. The magnet side is passive.