Wireless motion sensor door bell with led light indicator - K

First:

1.Infrared sensor adopt to digital fuzzy treatment, automatic temperature compensation, Radio frequency anti-interference,has low rate of false alarm.
2.Integrating a variety of functions,welcome,wireless doorbell ,guard defence and so on.
3,2 choice of power supply :3 AAA battery and 9-15v power adapter
4,Support 52 melody songs and alarm
5 4 level of adjustable sound volume

Switches:
Power adapter ,power switch,sound volume switch, music switch, working mode switch(Welcome,Alarm,Music)

Second:
Power safing design, Triple functions
52 songs computer optional

Led indicater light
Large range of infrared

Third:
Set up and adjust
1,Sound adjustment:4 level of adjustable sound volume,press the button and adjust1-2-3-4-3-2-1 , but volume of the alarm sound is not adjustable
2,Choosing music:52 beautiful songs ,press the music key to choose ,to return to dingdong after restart or close.
3,Mode choice: VOICE :play “dingdong ,hello,welcome”
ALARM: Play alarming
MUSIC:52 Beautiful songs to choose

Technicals parameter:

1,Working current:<80mA
2,Working temperature:-10°C- 50°C
3,Detection range:4-8m(25°C)
4,Detection angle:110°
5,Installation height :1.5m-2.5m
Battery installation schematic diagram:
Pull the switch battery cover,open the battery cover
Installed correctly
Press the key of battery switch ,finish the installation.