This is robust thermometer sensor that sends a wireless signal to your TellStick so you know exactly whtn to step into your pool or spa bath. The thermometer sends on 433MHz which makes it compatible with all TellStick gateways that can receive signals on that frequency. Perfect for indoor and outdoor use.
A sturdy rubber encapsulation is included which makes it withstand bumps against the pool edge without being damaged. Battery operated.
• Range: up to 30m
• Frequency: 433.92MHz
• Power supply: 3×1.5V AAA batteries (not included)
• Encapsulation class: IP67
• Temperature range: -40°C – +50°C