- 2x16 full message display
- Multiple door chime
- Backlit display w/ outdoor temperature indication
- 5 programmable function keys & 3 one-touch emergency keys
- Tamper switch
- Nominal battery life - 3 years
- Compatible with Alexor
- * WT5500D w/desk stand or WT5500DMK w/desk stand and transfrmr
| Frequency | 433 |
| Is Featured | No |
| Wire | Wireless |