This wireless, compact, waterproof logger has an external temperature and humidity sensor

Features:

• Wireless communication of up to 100 meters if unobstructed
• Water resistant, compact and durable design
• High recording capacity up to 16,000 readings
• High-speed communication allows you to collect 64 units worth of data in just 20 seconds
• 15 recording intervals from 1 second to 1 hour
• Adjustable upper and lower limits activate visual and audible alarms
• Low energy consumption circuit can run on one lithium battery for up to six months of continued use
• Calibration adjustment function

Specifications:

• Ranges:
  • Temperature 32°F to 131°F (0°C to 55°C)
  • Humidity: 10% to 95%
• Accuracy: ±0.5°F (±0.3°C) / ±5% RH
• Resolution: 0.1° / 1% RH
• Capacity: 16,000 readings
• Power: Lithium battery
• Probe: 1 meter
• Dimensions: 2.44" x 1.85" x 0.75"
• Weight: 55 g