How do i change the sound?

Arrow buttons to select your favorite sound, then press and hold the middle SET button for 6-8 seconds, near door magnet, after the didi sound will be paired with the door magnet successfully.Repeat the above steps for different door sensor.

Can you set different chimes for different sensors?

Yes, you can set different chimes for each sensor to know which door is open.

Can it be used on an metal doors？

It is recommended not to use it directly on metal doors, because metal may affect the signal emission of the door magnet, and any door/window of other materials can be perfectly used

What is the distance of use?

The distance of use is at 600ft (182m) in open spaces and 300ft (91m) in indoor places. As the time of use increases, the power drop will also reduce the distance of use.（Walls and other obstructions may also affect the signal transmission distance.）

Number of batteries	1 C batteries required. (included)
Voltage	3 Volts
Control method	Touch
Noise level	120 Decibels
Mounting type	Door Mount
Maximum range	800 Feet
Sensor technology	Contact Sensor
Size	1 Sensor+1 Receiver
Manufacturer	Sanjie
Product Dimensions	9 x 6.5 x 2.5 cm; 140 g
Batteries	1 C batteries required. (included)
Item model number	1Sensor+1Receiver
Number of Items	1
Style	1Sensor+1Receiver
Shape	Rectangular
Material	Plastic
Included Components	1Receiver(UK Plug-in), 1Sensor (battery included), Screws, Adhesive tape, ‎Product manual,
Batteries included?	Yes
Batteries Required?	Yes
Item Weight	140 g
Guaranteed software updates until	unknown

SanJie

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