ITEM NAME:STC-3028 AC110-220V Dual LCD Temperature Humidity Controller Thermostat G1A4 Description â— Power supply: AC 110-220V,50/60Hz â— Measurement temperature range: -20 ° C +80 ° C â— Measuring humidity range: 00%RH~+100%RH â— Accuracy: ±1 °C 0.1%RH â— Relay output contact capacity: 10A â— Integrated sensor, line length 1 meter â— Shell material: gray ABS flame retardant plastic shell â— Net weight 120g Gross weight 140g Package Content: 1 x Temperature Controller.â— Net weight 120g Gross weight 140g.