ΓÇó Suitable for Home, Convenience Store Office dwelling houses DedicatedΓÇó Auto infrared inductionΓÇó Adjustable directionΓÇó The excellent function, easy to useΓÇó Different mode can be chosen:ΓÇó A) Ding Dong, Hello welcome (in English),ΓÇó B) OffΓÇó C) Music circulation.Specifications:ΓÇó Model:AK-01ΓÇó Light control distance: about 3-7mΓÇó Power by:3x 1.5V AA Batteries (not included)ΓÇó Color:Blue+WhiteΓÇó Material:PlasticΓÇó Size: 8x8.3x4cmPackage Included:G9ΓÇó 1x Electronic Guest Saluting Doorbe...