Features1. Measurement: With high sensitivity detector to pick up temperature and humidity with quick response and high precision, it can review the readings of the current, MAX, MIN, up limit and low limit data. Automatically record and store the data of temperature and humidity. 2. Data Transfer and programming: directly connect the device with PC USB interface to transfer data with PC and to set up sampling period, storage interval and alarming. 3. Analyzing: With specialized software to analyze the data of temperature and humidity with easy and reliable operation. 4. Safety: Bracket allows screw fastening with transparent water dust proof cover to protect the device from moisture and a up low limit can be set to alarm is overflow readings. 5. Convenience: It is compact and portable to be placed and worked like a flash disk. Besides, can be displayed with battery volume alert.Specification1. Temperature measuring range: -30-80 degree C 2. Humidity measuring range: 0~100%RH 3. Memory size: 32256 4. Power: 3.6V Lithium Battery (included) 5. Accuracy tolerance: +/-0.3 degree C (typical),+/-2%RH(typical) 6. Repeatability: +/-0.1 degree C (typical) 7. Size: 126 x 28 x 21mmSpecification: Package Weight One Package Weight 0.22kgs / 0.48lb One Package Size 16cm * 10cm * 4cm / 6.3inch * 3.94inch * 1.57inch Qty per Carton 100 Carton Weight 21.00kgs / 46.30lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs 40HQ: 885 cartons * 100 pcs = 88500 pcs