Wall-mounted RF Zone Thermostat, IP30
• Power supply: 2 × 1.5 V AA alkaline batteries
• 2⅓" LCD digital display
• Bidirectional RF wireless communication at 868 MHz
• Wireless communication range: 30–80 m, depending on obstacles
• Temperature control range: +4°C to +39°C
• Accuracy: ±0.5°C
• Control gradient: 1 K / 15 min
• Battery life: approximately 2 years
• Dimensions (W × D × H): 84 × 23 × 84 mm