General purpose low-cost thermostat with NTC temperature sensor. Output relay with LED indicator.
Features:

1. also available as completely mounted module WMHA137

Specifications:

1. temperature range: +5°C to +30°C approx. (41°F to 86°F)
2. relay power rating: 24VDC/AC 3A
3. power supply: 12VDC / 100mA
4. dimensions: 54 x 62 x 28mm / 2.1 x 2.4 x 1.1"

manual_wsha138.pdf

module_diy_kit_guide.pdf