●one-way

●wireless

●DC12V1A

●net weight: 780g

●gross weight:1320g

●dimensions: 204x131x48mm

●package size: 278x196x106mm

two-way voice intercom

*MPEG-4 wireless
*protocol standard： IEEE802.11B/G
*D1（720*576）    *frequency:2.4-2.4835GHz