About the productOut of clusters of humidity and temperature instruments, this low power consumption Data-Logger combines the functions of signal-sampling, display, storage and analysis, widely be applied in the industries of medicine, food processing, agricultural research, laboratory, electronics, air-conditioning, weather service, archives management, archaeology study, fiber manufacturing and cold chain logistics, because this device can provide just-in-time solution of environment-monitoring, alerting and recording.Features1. In measurement - With high sensitivity detector to pick up temperature and humidity with quick response and high precision. - This device can review the readings of the current, max, min, up limit and low limit data 2. In memory - Automatically record and store the data of temperature and humidity. 3. Data transfer - Directly connect the device with PC USB interface to transfer data with PC. 4. In programming - To set up sampling period, storage interval and alarming. 5. In analyzing - With specialized software to analyze the data of temperature and humidity with easy and reliable operation 6. In safety - The bracket allows screw fastening with transparent water dust proof cover to protect the device from moisture 7. In convenience - Both temperature and humidity can be displayed with battery volume alert, this device is compact and portable to be placed and worked like a flash diskSpecification: General Memory Size 32256 Measuring Range of Temperature -30-80 Celsius Degree Humidity Range 0-100%RH Power Supply 1/2AA 3.6V Lithium Battery Size 126mm x 28mm x 22mm Weight 49g Package Include Package Contents 1 x Manual 2 x Screws 1 x CD 1 x Data Logger Package Weight One Package Weight 0.19kgs / 0.42lb One Package Size 20cm * 14cm * 6cm / 7.87inch * 5.51inch * 2.36inch Qty per Carton 40 Carton Weight 5.50kgs / 12.13lb Carton Size 60cm * 40cm * 30cm / 23.62inch * 15.75inch * 11.81inch Loading Container 20GP: 370 cartons * 40 pcs = 14800 pcs 40HQ: 859 cartons * 40 pcs = 34360 pcs