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🌬️ Stay fresh, stay smart — your bathroom’s new best friend!
The Smart Humidity Sensor Switch by Martin Jerry features a 2.4G WiFi-enabled ESP8285 chip, enabling automatic fan control based on humidity levels. Pre-flashed with TASMOTA firmware and supporting MQTT, it integrates seamlessly with popular smart home platforms like Home Assistant, Alexa, and Google Home. Designed for privacy with local data storage, it offers both auto and manual modes for flexible, secure, and efficient bathroom ventilation.

| ASIN | B0C7L49BXL |
| Actuator Type | Electronic WiFi Controlled Switch |
| Best Sellers Rank | #542,993 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,355 in Electrical Light Switches |
| Brand | Martin Jerry |
| Brand Name | Martin Jerry |
| Circuit Type | 1-way |
| Color | white |
| Compatible Devices | Home Assistant, Amazon Alexa, Google Home, MQTT-compatible devices |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Screw |
| Contact Material | Plastic |
| Contact Type | Normally Closed |
| Control Method | App |
| Control Type | Auto & Manual |
| Controller Type | Amazon Alexa, Home Assistant, SmartThings |
| Current Rating | 2 A |
| Customer Reviews | 3.8 out of 5 stars 27 Reviews |
| Included Components | Wire Connector |
| International Protection Rating | IP00 |
| Item Dimensions | 4.22 x 1.53 x 1.53 inches |
| Manufacturer | Martin Jerry |
| Material Type | Acrylonitrile Butadiene Styrene, Polycarbonate |
| Model | US-SS02 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 120 volts_of_alternating_current |
| Operation Mode | ON-OFF-ON |
| Part Number | US-SS02 |
| Specification Met | FCC |
| Switch Type | Relay |
| Terminal | Wire |
| UPC | 652508733555 |
| Upper Temperature Rating | 80 °C |
| Wattage | 240 watts |
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