SwitchBot W4402000 1 Sensor Included Water Leak Detector
Available offers (2)
Price history by offer
Volatility: MediumFeatures
- No hub required with direct WiFi alerts and app/email notifications
- Ultra-sensitive 0.5mm detection with high-precision probes
- 100dB adjustable alarm with smart mute via app
- IP67 waterproof and up to 2 years battery life
- Works with Alexa, Google, and Siri for voice control
General specs
- Brand: SwitchBot
- Model: W4402000
- Seller: Retailer
- ID: B0CRRL9DNN
- Material: Plastic
- IP Rating: IP67
- Alarm Type: Sound
- Dimensions: 82, 85, 42
- Item Weight: 68
- Sound Level: 100
- Battery Type: Alkaline
- Connectivity: Wi-Fi
- Hub Required: No
- 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: January 12, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
United States
This SwitchBot Water Sensor is for the homeowner who wants to stop water damage before it starts. Think of it as your first line of defense for checking under the sink after a dishwasher cycle or monitoring a basement sump pump during a storm. While many detectors focus on security, this one is about prevention and quiet confidence.
The 100dB alarm is loud enough to hear from another floor, but the real peace comes from the app alert. You will get the notification on your phone before you even hear the siren, letting you act fast. Its ultra-sensitive probes can detect a puddle as thin as a credit card, so you catch leaks early. No hub is required—it connects directly to your 2.4GHz WiFi for instant alerts and remote monitoring, and you can share access with family. The IP67 waterproof design and up to two-year battery life mean you can set it and forget it in damp spots like under the water heater. Use voice commands with Alexa or Google Assistant, or automate responses with other smart devices for hands-free control.
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SwitchBot W4402000 White
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| Brand | SwitchBot | SwitchBot | Nestool | KERUI | PILSAMAS | Govee |
| Model | W4402000 | W4402010 | SQ400C | SISJW01 | DC15 | H5040+H5054 |
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| Price | €15.15 | €16.94 | €8.91 | €26.48 | €5.34 | €29.64 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 28, 2026 | May 28, 2026 | May 28, 2026 | Mar 21, 2026 | May 28, 2026 | May 28, 2026 |
| Material | Plastic | ABS | Plastic | ABS, ABS+PC, Aluminum Alloy, Brass, Plastic, Stainless Steel | ABS, ABS+PC, Aluminum Alloy, Brass, Plastic, Stainless Steel | Plastic |
| IP Rating | IP67 | IP67 | IP67 | IP67 | IP67 | |
| Alarm Type | Sound | Sound | Light, Sound | Sound | Light, Sound | Sound |
| Dimensions | 82, 85, 42 | 63.5, 25.4, 63.5 | 19.81, 68.58, 30.48 | 22.86, 40.64, 88.9 | 44.96, 26.42, <num_z> | |
| Item Weight | 68 | 68 | 85 | <num1>, <num2> | 54 | <num1>, <num2> |
| Sound Level | 100 | 100 | 100 | 90 | <num1>, <num2> | 100 |
| Battery Type | Alkaline | Alkaline | Alkaline | Alkaline | Alkaline | |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Bluetooth | Bluetooth, Wi-Fi, Zigbee | Wi-Fi |
| Hub Required | No | No | No | No | Yes, No | No |
| Power Source | Battery | Battery | Battery | Battery | Battery | Battery |
| Detection Type | Water Leak | Water Leak, Water Level | Water Leak | Water Leak | Flood, Water Leak | Water Leak |
| Sensors Included | 1 | 1 | 1 | 5 | 1 | 3 |
| Notification Type | App Notification | App Notification | App Notification | App Notification | App Notification | App Notification |
| Batteries Included | Yes | Yes | No | No | Yes | Yes |
| Smart Home Compatibility | Amazon Alexa, Google Home | Amazon Alexa, Google Home | Amazon Alexa, Google Home, Tuya Smart | Amazon Alexa, Apple HomeKit, eWeLink, Google Home, Mi Home, Smart Life, Tuya Smart | Amazon Alexa, Apple HomeKit, eWeLink, Google Home, Mi Home, Smart Life, Tuya Smart | Amazon Alexa, Google Home |
SwitchBot W4402000 White
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