Technical specifications


  • Temperature (0-140ºF, ±2º)
  • Vibration (0-4G)
  • Orientation (relative to the earth)
  • Sensor port for external sensors


Dimensions and weight

2.81" (71.4mm) high by 2.78" (70.6mm) wide by 0.80" (20.3mm) deep

2.60oz (74g) without batteries


802.11b wireless


Batteries: two AAA batteries, 2-3 months

External power: micro USB, 5V, 500mA

Operation requirements

  • 802.11b-compatible wireless network with access to Internet
  • Web browser access to Internet for setup and configuration

Environmental requirements

Operating ambient temperature: 32° to 140° F (0° to 60° C)

Relative humidity: 5% to 95% noncondensing

FCC, ICC and CE certified electronic device


For normal operation

Twine needs only a Wi-Fi network that is:

  • compatible with 802.11b devices (not N-only or 5GHz-only)
  • open, or using WPA/WPA2 Personal or WEP key security
  • not extended or bridged

Twine is a standalone device. No computer needs to be present.

To view Twine dashboard and change rules, you'll need a compatible web browser with Javascript turned on: Chrome, Firefox, Safari, or Internet Explorer 9.

For setup

A computer, tablet or smartphone with Wi-Fi. Please make sure you have temporarily disconnected from wired networks and disabled manually entered DNS servers such as Google Public DNS.


From left to right: external sensor port, micro USB power, status LED.