Seco-Larm SL-DP-266-M3Q Extra Monitor for Wireless Video Door Phone

SecoLarm SL-DP-266-M3Q Extra Monitor for Wireless Video Door Phone SL-DP-266-1C3QThe SL-DP-266-M3Q is an additional monitor for the SL-DP-266-1C3Q wireless intercom system. It allows for you to hold a two-way conversation with visitors through the use of a microphone.SecoLarm SL-DP-266-M3Q Extra Monitor Features 3 3/8 (86mm) TFT Display LED charging indicator and separate status indicator Two-way communication using microphone 120mW RF Power 492 ft (150m) wireless range 5VDC (adapter) or 3.7VDC (battery) operating voltage Operating temperature: 32°~104° F (0°~40° C) Dimensions: 5" x 3 3/8" x 7/8" (127x85x22 mm) SecoLarm SL-DP-266-M3Q Extra Monitor Includes 1 x SL-DP-266-M3Q add-on monitor 1 x Rechargeable lithium ion battery