BLEBOX tempSensor PRO TEMPERATURE SENSOR WITH A MEASUREMENT RANGE FROM -55 TO 125 DEGREES CELSIUS, WITH A YEAR'S HISTORY AND INTERACTIVE CHARTS, AND THE POSSIBILITY TO RECEIVE NOTIFICATIONS. tempSensor PRO is a precise temperature sensor with an extended range and increased resistance to weather conditions. It allows you to monitor the temperature with your smartphone from anywhere in the world. . . . possibilities: check the temperature regardless of your location; control other devices based on temperature changes; receive notifications on your phone - the controller allows you to display a system notification on a phone with the wBox app installed, based on a specific type of trigger, e.g., "Temperature higher than"; place the sensor in a location away from the router; analyze historical data, observe temperature changes throughout the day. Technical parameters. Power supply voltage: 5 - 24 V DC ; Power consumption: 1W ; Measuring range: from -55°C to 125°C; Controller operating temperature: from -20°C to 50°C; Measurement accuracy: 0.5°C in the range from -10°C to 85°C; Dimensions: 50 x 92 x 28 mm (without antenna), 85 x 230 x 28 mm (with vertical antenna), antenna length 197 mm; Housing plastic, cast with a halogen-free polyurethane composition, self-extinguishing for thermal class B (130°C); Probe type: single waterproof wired probe, cable length 2m; Mounting method: two oval mounting holes with dimensions 18 mm (width) x 3.5 mm (height) or self-adhesive element (tape); Protection rating: IP54; Protections: reverse polarity, ESD; Communication mode: WiFi, compatible with WiFi, 802.11g; Transmission standard: two-way, encrypted; Encryption: WPA2-PSK and authenticated encryption (AEAD); Communication mode: direct connection (as Access Point), WiFi connection via a standard router, connection with access from anywhere in the world (only Internet access required); Transmission frequency: WiFi 2.4 GHz; API: open; You can control: Apple iPhone, Apple iPad, iPad Mini, Android, computers and mobile devices supporting HTML5; Possibility to connect up to 4 sensors (sensors).