KaiSai TUYA-DS Door and Window Alarm: Wireless magnetic sensor for home security
This smart door and window sensor is perfect for renters or homeowners who want a simple, non-permanent way to monitor entry points. It’s ideal for keeping tabs on a frequently used back door or checking if a child’s window is secure at night.
While it’s a home security device, think of it as your first line of defense against everyday worries. The 100dB alarm sounds instantly if a door opens unexpectedly, and you’ll get a push notification on your phone before you even hear a noise. It works with Alexa and Google Assistant, so you can ask if everything is locked up without getting out of bed.
Installation is tool-free with the included adhesive tape, and the low power consumption means the batteries last for years with typical use. Link it to other Tuya Smart products to create custom scenes, like turning on lights when motion is detected, for a seamless smart home experience.
Features
- Tuya app control with smart voice integration
- Supports Alexa, Google Assistant, and IFTTT
- 100dB audible alarm with light alert
- Easy tool-free installation with adhesive tape
- Long battery life up to 5 years standby
- Wireless magnetic sensor for home security
General specs
- Brand: KaiSai
- Model: TUYA-DS
- Seller: Joom
- ID: 68fa2f546a13f601d4d5a5f8
- Alert Type: Audio, Motion
- Connectivity: Wi-Fi
- Control Method: App, Voice
- Detection Type: Door/Window
- Indoor/Outdoor: Indoor
- Connection Type: Wireless
- Smart Home Compatibility: Tuya
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | KaiSai | Molczov | Gaoducash | XFOX | Gaoducash | SENCKIT |
| Model | TUYA-DS | Door Window Sensor | AW201 | DY-H1 | 3-pack door sensor | door window sensor |
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| Price | $25.37 | $33.99 | $22.99 | $16.99 | $28.99 | $13.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 18, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 |
| Alert Type | Audio, Motion | Entry | Motion | Entry | Entry | |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | WiFi 2.4G | Wi-Fi, Bluetooth | Wi-Fi |
| Control Method | App, Voice | App, Voice | App, Voice | App, Voice | App, Voice | |
| Detection Type | Door/Window | Door/Window | Door/Window | Door/Window | Door/Window | |
| Indoor/Outdoor | Indoor | Indoor | Indoor | Indoor | Indoor | |
| Connection Type | Wireless | Wireless | Wireless | Wireless | Wireless | |
| Smart Home Compatibility | Tuya | Alexa, Google Assistant, Tuya | Alexa, Google Assistant, Tuya | Alexa, Google Assistant, Tuya | Alexa, Google Assistant, Tuya | |
| Power Source | Battery | Battery | 2 AAA Batteries (not included) | Battery | Battery | |
| Yes | Yes | Yes | Yes | |||
