| Physical Characteristics | 
| Dimensions | 
120 mm x 85 mm x 32.5 mm  | 
| Installation | 
Wall mount | 
| Environmental Characteristics | 
| Operating Temperature | 
-40ºC to +55ºC | 
| Relative Humidity | 
0% to 95% (non-condensing) | 
| Ingress Protection | 
IP30 | 
| Power | 
| Battery | 
4 x 4000 mAh ER18505 Li-SOCl2 Replaceable Batteries | 
| Battery Life | 
Around 3 years  | 
| Power On/Off | 
NFC with mobile app or power button | 
| Ammonia Sensor Characteristics | 
| Range | 
0 ~ `0 ppm | 
| Accuracy | 
+/- 5% (-40 - 35°C) | 
| Resolution | 
0.01 ppm | 
| Hydrogen Sulphide Sensor Characteristics | 
| Range | 
0 ~ 5 ppm | 
| Accuracy | 
+/- 5% (-40 - 35°C) | 
| Resolution | 
0.01 ppm | 
| Temperature Sensor Characteristics | 
| Range | 
-40°C to + 86°C | 
| Accuracy | 
+/- 0.2°C | 
| Resolution | 
0.01°C | 
| Humidity Sensor Characteristics | 
| Range | 
0 - 100% RH | 
| Accuracy | 
+/- 2% | 
| Resolution | 
0.5% RH | 
| Wireless Characteristics | 
| Technology | 
LoRaWAN | 
| Frequency | 
CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 | 
| Tx Power | 
16dBm (868) / 19dBm (470) / 22dBm (915)
 | 
| Sensitivity | 
-137dBm | 
| Mode | 
OTAA/ABP Class A | 
| Configuration Interface | 
| NFC | 
Power On/Off, configure with mobile app | 
| LED & Buzzer | 
1 × Status/Alarm Indicator + 1 × Buzzer |