• Compact design (measures 4.8″ x 1.6″ x 0.9″)
• All-weather design, suitable for indoor/outdoor use
• Temperature range: -40° to +158°F
  
• Accuracy: +/- 2 degrees Fahrenheit
• Relative Humidity: 1 to 99%
• Expandable (up to 4 wireless sensors)
• Operating frequency: 433 MHz
• Compatible with STRS system
• Expandable (up to 4 wireless sensors)
• Battery-operated (requires 2 AA batteries)
• Transmission range: 300 ft
• Simple mounting via integrated hanger

Note: While the STRS can be configured to accept a maximum of four (4) sensors for automatic trigger-based control, there is no limit to the number of sensors which may be remotely monitored.