This digital USB temperature and humidity recorder monitors and logs environmental conditions in cold chain logistics. It is compatible with refrigerators, cold storage, transport containers, and lab storage. The compact LCD display shows real-time data, and the device supports manual or timed start with configurable recording intervals from 10 seconds to 99 hours. You can set custom alarm thresholds with single or cumulative alarm types and delay settings. Data exports via USB in PDF or CSV formats. The recorder has an IP65 rating for dust and water resistance, and the battery lasts over 2 years under normal conditions. Specifications: - Humidity Range: 0–100% RH - Temperature Range: -40°C to 85°C - Accuracy: ±3% RH (10–90% RH), ±0.5% RH (other); ±0.3°C (0–60°C), ±0.6°C (other) - Resolution: 0.1% RH / 0.1°C - Data Capacity: 34,560 records - Start Modes: Button or timed start - Recording Interval: 10 seconds to 99 hours (configurable) - Start Delay: 0–72 hours (configurable) - Alarm Range: User-configurable - Alarm Types: Single or cumulative - Alarm Delay: 10 seconds to 99 hours (configurable) - Report Formats: PDF and CSV - Interface: USB 2.0 - Protection Rating: IP65 - Dimensions: 100 x 43 x 12 mm - Weight: 85 g - Battery Life: Over 2 years (at 25°C) Package Includes: 1 x Temperature and humidity recorder. Note: slight color variations may occur due to lighting; measurement error ±1–3 cm allowed.