Applicable Equipment: Waterproof temperature sensor can be used for SONOFF TH Elite/TH Origin to detect and measure temperature<br> Wider Measuring Range: Measuring range from -40C to +115C, enabling a wider range of use. Easy to install.<br> Waterproof & Super Durable: Stainless steel probe is waterproof, corrosion-resistant, and rust-proof, and can be used in a humid environment<br> Enough Cable Length: The 150cm cable allows you to connect devices that are far away from the switch<br> Easy to Use: Simply plug in the TH Elite/TH Origin<br> Specifications:<br> Model: WTS01<br> Connector type: RJ9 (4P4C)<br> Working temperature: -40~+115<br> Cable length: 1.5m<br> Product size: 50x6x6mm<br> Accuracy over the range: -10 to 85<br> Package included:<br> 1 x Temperature Sensor<br> 1 x English and Chinese Manual<br> Other items not included