Door Chimes, 52 Tunes, Battery Type

Product Specifications

Prod Model:	ZMD9F
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Size:	Transmitter: 46.5*18*84mm; Receiver: 57*34.5*96m
Color:	All
Transmitter Working Voltage:	Smaller Than 12V
Receiver Working Voltage:	4.5V
Net Weight:	145 G
Type:	Intercom Doorbell
Style:	One-to-Many
Talkback Type:	Black and White Video
Automation:	Automatic
Peephole:	Without Peephole
Wireless:	Wireless
Active Doorbell:	Wireless Non Visual Doorbell
Wireless Video Doorbell Function:	Outdoor Monitoring
Application Scope:	Home
Waterproof:	Waterproof
Power Source:	Battery
Brand:	Zoome

Product Description

	Specification	1.Power Supply: Transmitter Working voltage:  ≤12V    Receiver Working voltage:  4.5V
		2.Power Waste:  Transmitter Power  <10mw       Receiver power: <0.4W
		3.Working Frequency  315/433MHZ ±2MHZ
		4.Sound Volume Range 25-85dB
		5.Size : Transmitter: 46.5*18*84mm;  Receiver:  57*34.5*96mm;
		6.Net Weight : Transmitter: 40g;  Receiver:105g;
		7.Wireless detector battery :   12V23A alkaline battery   Receiver  battery:  3 AAA batteries
	Features	1.52 classical melodies
		2.Unique appearance design patent
		3.Excellent waterproof performance with silicone processing
		4.Stability,Products adopt excellent inner materials
		5.Easy installation
		6.Radio distance reach 300 meters

Where can we use the wireless doorbell? House, office, hotel service, community building, factory, construction site and other areas that is suitable for short-distance wireless environments. It also can be best gift to present, as its new design and nice appearance, are very popular for household. 
The wireless doorbell transmitter and receiver can be freely matched; Such as one receiver with one transmitter; one receiver with two transmitters; two receivers with one transmitter.