·Two-wire connection (RL-3201B is four-wire connection).
· Electric-controlled lock release.
· Anti-oxidation, durable aluminum outdoor unit.
· Name or room number of the user can be displayed on the outdoor unit along with LED indication.
· High-quality circuit for sharp and clear voices.
· Talking distance is above 100m ( 2X0.8mm2 ).
· Easy DIY installation.
· hands-free intercom.

• Address:
  

  No.6 Pingdong Rd, Nanping industrial park
  Zhuhai, Guangdong, China
  519000

• Tel: +86-756-3167519
• Email: vpe@vipongroup.com