Feature: 1. ISOLATION DESIGN: The detector adopts the isolation design of digital signal and analog signal, which can carry out the live test, safe and reliable in operation. 2. DURABLE MATERIAL: Personalized key layout, the sheath design is non slip and shockproof, and the silicone keyboard is comfortable and wear resistant. 3. CLEAR DISPLAY: TFT high definition display intuitively displays multiple real time signal changes, and real time switching temperature list and bar graph. 4. MULTIPLE FUNCTION: U disk storage function, support optional small memory card data storage, with Type C communication, support optional Bluetooth or 4G communication module. 5. TEMPERATURE ALARM: When the set temperature is higher than the upper limit value or lower than the lower limit value, the buzzer will beep for a long time to provide alarm control. 6. WIDE APPLICATION: Support multi platform data collection and monitoring, widely used in cold storage, warehouse temperature, surface measurement of electronic components, etc. Specification: Item Type: Multi Channel Temperature Tester Material: ABS Graduation Number: 11 Kinds Thermocouple: J K T E S N B R A C D type Temperature Measurement Range: -200-0?? error is ??1.2??, 0-1370?? error is ??0.8?? (excluding thermocouple error) Type K Thermocouple: -200-1370?? Resolution: 0.1?? Correction: Each channel can be corrected Alarm: Support upper and lower limit alarms Display: Support list display and bar graph display Power Input: 100-240VAC, 50Hz/60Hz Power Output: 5V 2A DC Cold Junction Compensation: Accuracy: 0.5?? Software Support: For Android and for Windows data acquisition software Battery Parameters: 3.7V 18650 lithium battery x 2 1500mAh (built in battery) Working Hours: >15 hours Working Power Consumption: 1W Product Size: Approx. 200 x 98 x 40mm / 7.9 x 3.9 x 1.6in. Package List: 1 x Host1 x Plug2 x Type K Thermocouple Test Cables1 x USB Cable1 x User Manual1 x Storage Box Note: 1. Do not touch any exposed terminals (BNC, USB, Cal, Ground) when this device is connected to something else.2. Please connect the polarity of the battery in the correct way to avoid battery explosion and short circuit.3. The battery pack can only be opened by professionals, do not use damaged parts.