Wireless Audio Door Phone
- RL-0518L
- ●433MHz wireless audio intercom.
- ●8 ringtones for option, 4 ringtone volume levels adjustable.
- ●Lithium batteries on both the indoor and outdoor units can be charged alternatively through the USB port on the indoor unit.
- ●Low battery indicator, battery charging status indicator.
- ●433MHz Wireless unlock.
- ●IP44 waterproof.
- ●Easy installation.
- ●Additional (up to 3) indoor units expandable.
