‎1 × Transmitter (battery included), 2 × Plug-in receiver, 1 × Adhesive tape, 1 × transmitter opener, 2 × Screw, 2 × Anchor, 1 × User manual

Doorbell Wireless Doorbell IP66 Waterproof 1000 Feet with 56 Chimes 115dB 7 volume levels Mute Mode & LED Flash Doorbell Ringer Wireless for Kids Room Teachers Classroom Home Office & Hearing-Impaired