ST814 Temperature/Humidity Detector Features： â—†Max. & Min. Ranger Hold â—†Digital TN LED Display â—†LCD panel with backlight displays temperature, humidity, battery status and transmission indication â—†Built-in 60dB beep tone reminding sound â—†0°C freezing point alert â—†Design for table placing/wall mounting â—†3 x 1.5V AA type battery operation
Specification：
Protocol	Z-Wave
Frequency	868.42MHz (EU) / 908.42MHz (US)
Code Type	Learning
Transceiver	Yes
Operating Range	Up to 100 feet