Size: 3.25”W x 8.5”L x 2.21”D. Weight with batteries: 1.25 lbs. Power: Rechargeable lithium-ion battery pack provides ±48 hours of battery life. Instrument Operating Temperature: 32°F to 140°F (0°C to 50°C). Instrument Storage Temperature: 32°F to 113°F (0°C to 45°C). Display: Color, LCD graphic display. USB Port: Built-in micro-USB On-The-Go port. Sensor Ports: 4 universal sensor ports on each cable. Memory: > 100000 data sets. Logging Modes: Single point or continuous with autostable feature. GLP Compliance: Yes. Certifications: RoHS, CE, WEEE, FCC, IP-67, 1-meter drop test, UN Part III Section 38.3 test methods for lithium-ion batteries (class 9), Assembled in USA. Sites and Data ID: 100 user-defined sites and 100 user-defined data ID tags.