| Size | 1.1 x 2.0 x 3.2 in. / 2.8 x 5.0 x 8.1 cm | 
| Weight | 2.7 oz. / 76 g | 
| Temperature | H2S: -40 to +122°F / -40 to +50°C CO: -22 to +122°F / -30 to +50°C
 SO2: -22 to +122°F / -30 to +50°C
 O2: -4 to +122°F / -20 to +50°C
 
 | 
| Humidity | 5% - 95% RH (non-condensing) | 
| Alarms | - Visual, vibrating, audible (95dB) - Low, High
 | 
| Tests | Full function self-test on activation and every 20 hours, and automatic battery test every 2 hours | 
| Typical battery life | Two years (H2S, CO, SO2 or O2) or three years (H2S or CO) | 
| Warranty | 2 or 3 years from activation (given normal operation), plus 1 year shelf life |