Yellow Jacket 67061 YJACK Wireless Temperature Clamp Probe Wireless measurements for surface temperature of pipes up to 1.25" diameter Temperature clamp provides strong, secure connection to system Flexible cable connection for easy access in small and difficult to reach areas Rotating mounting magnet for optimal Bluetooth transmitter placement Bluetooth 4.2 compliant low energy radio 400 ft line of sight signal range* Compatible with YJACK VIEW App and P51-870 TITAN devices (firmware version v2.0 or later) Rapid Response Time: 10 seconds to 90% of differential TYP** Temperature Measurement Range: -40°F to 176°F (-40°C to 80°C) Temperature Measurement Accuracy: +/-1.0 °C TYP** Operating Temperature: -0.4°F to 131°F (-18°C to 55°C) Storage Temperature: -40°F to 122°F (-40°C to 50°C) Long 1200 hour battery life (2x AAA included) IP52 rated 2-year manufacturer warranty *Conditions and obstructions may reduce signal strength