- LED back light
- RCC function
- Perpetual calendar with day of week
- Alarm clock 12/24 hour time display
- Temperature display in ℃/ ℉
- Max/Min memory for hygrometer & thermometer
- Display size:114*77.3mm
- Product size : 138.5*92*23mm
- Packing size: 145 *54 *100mm (color box)
- Power: 5.0V/1A from micro-usb,2pcs AAA alkaline batteries for backup
- Transmit distance: 60m