TechInfo: Input voltage: 2x CR2016, 3V litho batteries; RF frequency: 433,92MHz; RF range: 15 to 25m without obstacles; Dimensions: 90x42z6mm; Certifications: CE marked; Ambient temperature operating: -10°C ~ 50°C (working mode) -20°C to 70°C (rest mode); Colour: Black and light blue (buttons).
