This digital thermometer can be used to measure up to 4 different temperatures simultaneously.<br> Features:<br> Digital LCD display with backlight, easy to read values.<br> K-Type thermocouple inputs, measure 4 different temperatures simultaneously.<br> Measuring range: -50~1350°C; °C/°F/K unit conversion.<br> Max./Min./Average values recording function.<br> Data hold function.<br> Auto Power off with no operation within 10 minutes.<br> With low battery indicator.<br> 5 operation buttons, convenient to operate.<br> Specifications:<br> Color: Black<br> Material: ABS Plastic<br> Measuring Range: -50~1350°C / -58~2462°F / 223~1623K<br> Temperature Accuracy: ±(0.015%rdg+1°C/1.8°F)<br> Temperature Resolution: 1000°C: 1°C<br> Operating Temperature: 0~50°C / 32~122°F<br> Operating Humidity: 10%~90%RH<br> Storage Temperature: -10~60°C / 14~140°F<br> Storage Humidity: 10%~75%RH<br> Power Supply: 1 * 9V Battery(NOT Included)<br> Probe Sensor Length: 95cm / 37.4in<br> Product Size: 16 * 5.2 * 3.2cm / 6.3 * 2 * 1.26in<br> Product Weight: 122g / 4.32oz<br> Package Size: 18.5 * 10 * 4.5cm / 7.3 * 3.94 * 1.77in<br> Package Weight: 205g / 7.23oz<br> Note:<br> This instrument can't work when probes are disconnected.<br> Packing List:<br> 1 * 4-Channel K-Type Digital Thermometer<br> 4 * Probe Sensor<br> 1 * Storage Bag<br> 1 * User Manual(English)