Outdoor bell with LED indicate at night 1 with ... CE, FCC,RosH OP-D6D3 & OP-D6A6Description:Outdoor bell with rain cover Model No.:OP-D6D3 Door Station, ... Door Bell, Door phone,security products, surveillance equipment, cctv.Specification: ... connected with max amount 3 indoor phoneRecommendation: It is a good choice for cctv, especially villa,private house, ...