W1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Cool Temp Control Module Switch with 10A One-Channel Relay and Waterproof with LED Display sold2024 Insulated Alligator Clips Durable Heavy

Insulated Alligator Clips Durable Heavy Duty Black & Red Boot Metal Spring Loaded Truck Car Battery Electric Test Clips Lead Probe Alligator Clamps (50A 10-PACK)

the RED light on

input the output end of the second module of the first module

Canyon 2004-2010

W1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Cool Temp Control Module Switch with 10A One-Channel Relay and Waterproof with LED Display sold2024 Insulated Alligator Clips Durable HeavyW1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat 50 110C Electronic Temperature Cool Temp Control Module Switch with 10A One Channel Relay and Waterproof with LED Display Product Features Temperature range : 50 110 C. Static current: 35MA, attract current 65MA. Environmental requirements: 10 ~ 60 C ,Humidity 20% 85%. Relay output interface is a switch, when it working ,these two ports are connected. Resolution: When