| Display Method |
Audible |
| Communication Method |
LoRaWAN |
| Trigger Method |
Button trigger (support short press, long press, double-click quick press) |
| LoRaWAN Frequency |
CN 470 MHz, RU 864 MHz, IN 865 MHz, EU 868 MHz, US or AU 915 MHz, KR 920 MHz, AS 923 MHz or 921 MHz or 922 MHz or 923 MHz or 924 MHz, customizable frequency band |
| Power Supply Method |
1 section 1650 mAh ER14335 lithium-ion sub battery, capable of continuous use for more than 5 years |
| Max. TX Power |
+ 21 ± 1 dBm |
| Receiving Sensitivity |
– 135 dBm |
| Solar Energy |
55 V to 7 V solar panel |
| Low Power |
Deep sleep 3.5 μA |
| Environmental Adaptation Index |
Operating temperature: -4 °F to 158 °F (- 20 °C to 70 °C), steady damp-heat: 104 °F (40 °C), 95 % RH |
| IP Grade |
IP30 |
| Dimension |
Body: 2.0 in x 2.0 in x 0.7 in (50 mm x 50 mm x 18 mm) |