TP-Link T300 Smart Water Leak Detector: 1-second rapid detection and response with dual-side sensing
For the homeowner who wants to protect their basement, laundry room, or under-sink areas from costly water damage, the Tapo T300 is your first line of defense. While many water leak detectors focus on basic alerts, this sensor offers peace of mind for a busy family by acting as a proactive guardian against hidden drips.
Its dual-side sensing catches leaks from above and below, so you know about a slow drip under the washing machine before it soaks the floor. The 90dB alarm is loud enough to hear from another room, and the app notification arrives instantly, often before you even notice the issue. With a 3+ year battery life, you can set it and forget it, knowing it's always on watch.
Features
- Instant app notifications for leaks and low batteries
- 90 dB built-in adjustable alarm
- 3+ year battery life with replaceable AAA batteries
- IP67 waterproof and dustproof rating
- 1-second rapid detection and response with dual-side sensing
General specs
- Brand: TP-Link
- Model: T300
- Seller: Amazon
- ID: B0CHZ83LQD
- Material: ABS
- IP Rating: IP67
- Alarm Type: Sound
- Dimensions: 46.48, 29.97, 30.00
- Sound Level: 90
- Battery Type: Alkaline
- Connectivity: Wi-Fi
- Hub Required: Yes
- Power Source: Battery
- Detection Type: Water Leak
- Sensors Included: 1
- Notification Type: App Notification
- Batteries Included: Yes
- Smart Home Compatibility: Amazon Alexa, Google Home
- First listed by seller: 1/12/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
United States
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| Brand | TP-Link | Baldr | eMylo | Nestool | Maxcio | GoveeLife |
| Model | T300 | VC-HCS016ARF-3-HWG023WRF | SW102 | SQ400C | MIR-WA100-EU4 | H5043+H5058 |
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| Price | $16.07 | $28.41 | $7.50 | $16.49 | $28.49 | $49.98 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 7, 2026 | Feb 7, 2026 | Jan 14, 2026 | Dec 6, 2025 | Feb 7, 2026 | Feb 7, 2026 |
| Material | ABS | ABS | Plastic | Plastic | Plastic | Plastic |
| IP Rating | IP67 | IP66 | IP66 | IP66 | IP66 | |
| Alarm Type | Sound | Sound | Sound | Light, Sound | Sound | Sound |
| Dimensions | 46.48, 29.97, 30.00 | 17.78, 88.9, 88.9 | 50.8, 25.4, 76.2 | 63.5, 25.4, 63.5 | 95, 115, 96 | 88.9, 63.5, 139.7 |
| Item Weight | <num1>, <num2> | <num1>, <num2> | <num1>, <num2> | 85 | <num1>, <num2> | |
| Sound Level | 90 | 100 | 100 | 100 | 110 | 100 |
| Battery Type | Alkaline | Alkaline | Alkaline | Alkaline | Alkaline | |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Hub Required | Yes | No | No | No | No | No |
| Power Source | Battery | Battery | Battery | Battery | Battery | Battery |
| Detection Type | Water Leak | Water Leak | Flood, Water Leak | Water Leak | Water Leak | Water Leak |
| Sensors Included | 1 | 3 | 1 | 1 | 4 | 4 |
| Notification Type | App Notification | App Notification | App Notification | App Notification | App Notification | App Notification |
| Batteries Included | Yes | Yes | Yes | No | Yes | Yes |
| Smart Home Compatibility | Amazon Alexa, Google Home | eWeLink | Tuya Smart, Smart Life | Amazon Alexa, Google Home, Tuya Smart | Tuya Smart | Amazon Alexa |