The BlueDOT combines the simplicity of the DOT Digital thermometer, Our Top-Rated Alarm Thermometer, with the Connectivity of Bluetooth, Giving You One Simple, Connected, and Powerful Thermometer. Simply set your temperature target with the up or down buttons, or direct from your smartphone, and the BlueDOT will beep when it gets there. Additionally, you can hear your alarms on the BlueDOT and your smart device with the free mobile app. The Bluetooth connection also allows you to track max/min temperatures and graph your cook. BlueDOT Bluetooth BBQ, Oven & Kitchen Thermometer Key Features: The case - Durable, water-resistant casing, ideal for both oven and BBQs Buttons - The BlueDOT’s temperature range is -50 to 300°C. So, simply set your temperature target with these buttons or via your smartphone. Bluetooth range - The BlueDOT has a 25-meter Bluetooth range, hence allowing you to monitor your cook via your smartphone within this range. Magnetic pads - The back of the BlueDOT has magnetic pads for easy attachment on the outside of your oven/BBQ. It also has a fold-out stand for counter use. The BlueDOT includes a 114mm probe with a 1-meter heatproof cable Batteries - The BlueDOT has a 500-hour battery life (using Bluetooth). Easily changeable 2 x 1.5 volt AAA batteries. Product Specifications: Range: -50 to 300°C Resolution: 1°C/F Accuracy: ±1°C (-20 to 120 °C) Bluetooth module Bluetooth version: 4.1Range: 25 metres (device dependent) Battery: 2 x 1.5 volt AAA Battery life: 500 hours (using Bluetooth) Sensor type: thermistor Display: custom LCD Backlight: Yes Dimensions: 24 x Ø80mm Weight: 98 grams excluding probe Case material: ABS plastic Guarantee: one year Water/Dust-resistance: IP65 protection Measurement Scale: Celsius/Fahrenheit