Wireless Remote Control 36 Tune Songs Smart Doorbell Self-adhesive Rings Transmitter + Receiver

Features: ? - Simple and flexible wireless installation design eliminates the hassle and expense of installation and saves money. It does not affect the decoration and appearance. - Up to several tens of meters to meet the needs of various residential and high-rise buildings. - Built-in stereo speakers make the sound crisp and sweet, especially suitable for home, office, factory, tourism and other places, for a wide range of uses. - Strong anti-interference ability and low repetition rate. ? Specifications: ? Material: ABS Color: White+Blue Receiver Power Supply: 2 x AAA Battery (not included) Transmitter Power Supply: 1 x 23A Battery (not included) Music: 16 music songs optional Size: (L) x (W) x (H) Transmitter: 7.8 x 4.3 x 1.7cm /3.07 x 1.69 x 0.67(appr.) Receiver: 10 x 5 x 3cm /3.94 x 1.97 x 1.18(appr.) ? Package Included: ? 1 x Transmitter 1 x Receiver (excluding other decorations) ? Details Pictures:?