Meco Home Wireless Doorbell Waterproof Remote 300M Distance 1 Transmitter 2 Receiver

Features: -The transmitter is waterproof but receivers not. -The transmitter without screw chuck design to achieve waterproof and dustproof. -Double-sided stability of the PCB, the chip standby sleep up to micro-level. -The transmitter 12V23A battery factory pre-installed (include battery). -The use of microprocessor control, double-sided PCB micro-power design. -Use of premises: Home office villa hospital school factory. Specification: Color: Black,White Type: Doorbells DIY Supplies: Electrical Doorbell Type: Wireless Power Source: AC,Battery Power supply: 110V-220V-240V Working frequency: 433MHZ Ring Tone: 38 ring tones Waterproof : yes Power Source: Plug EU Transmitter size:74mm X 50mm X18mm Receiver size:95mm x 65mm x 24mm Battery mode: 12v 23A battery (include battery) Receiving distance: 300M Remote (in open area) Package includes: 2 x Receivers 1 x Transmitter 1 x Double faced adhesive tape 1 x Sticker 2 x Screws 1 x Instructions Details pictures: