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