Can i turn it off ? I don’t want it to ring when I am in the place that i can see my customer coming.

You simply put the receiver in the place that you will be when you CANT see your customers and turn the volume down so you only hear it in that location...

Can this alert me if I leave the door open?

No. The sensor will only activate when they pass each other. One is placed on the door itself (and is moveable) and the other on the frame of the door (stationary). When the pass each other (and they have to be lined up right), it will activate the chime.

can each sensor trigger a different chime

The table on the Amazon page claims that it can, but I have not been able to get it to. Following the directions to do this just changes the chime for all the sensors. Their instructions: "Fixed-tone: Adding a door sensor with a FIXED receiver ringtone... 1- Short press ringtone button, select tone, 2- Long press both buttons simultaneously (receiver beeps once), 3- Open and close sensor, 4- Open and close sensor again, 5 - short press volume button, 6 - Open and close sensor to check"

Can it be used on a rough door frame ?

It's ok as long as the door sensor is pasted firmly on this rough door frame ,and the installation gap with magnetic strip is not exceed 0.4inch.

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Door Chime, Door Sensor Chime with Adjustable Volume, Easy installation, 400ft Range, 52 Chimes, M508+D7 Door Open Chime for Business/Home when Entering, White

Product ID: 644572194

Details

Battery description
23A 12V
Brand
SECRUI
Colour
White
Compatible devices
Motion
Power source
Battery

📶400ft wireless range

🔊0-110dB adjustable volume

🔔52 chime options

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NT$2419

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Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔔 Elevate your entry alerts—because every opening deserves a statement.

SMART SECURITY ALERT SYSTEM - Magnetic sensor instantly notifies you when doors or windows open, acting as your 24/7 guardian.
VOLUME CONTROL WITH 5 LEVELS - Adjust from whisper-quiet to attention-grabbing 110dB alerts for any environment.
SEAMLESS 400 FT WIRELESS RANGE - Stay connected across your home or office without dead zones.
52 DISTINCT CHIMES TO MATCH YOUR MOOD - From classic Ding Dong to festive Christmas tunes, personalize your alert sound.
EFFORTLESS INSTALLATION DUAL MOUNTING - Plug-in receiver and adhesive or screw-mounted sensors make setup a breeze—no tools needed.

The SECRUI Door Chime M508+D7 combines a powerful 400ft wireless range with 52 customizable chimes and 5 volume levels up to 110dB. Its magnetic contact sensor instantly alerts you when doors or windows open, enhancing home or business security. Easy to install with plug-in receivers and adhesive or screw mounts, this compact system offers reliable, battery-powered protection with built-in LED indicators and memory function for your preferred settings.

Specifications

ASIN	B07HSLB3BL
Audible Noise	120 Decibels
Battery Description	23A 12V
Best Sellers Rank	#76,757 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #93 in Door Bells Chimes
Brand	SECRUI
Built-In Media	1 × Sensor(battery included), 1 × Plug-in receiver,2 × Adhesive tape, 2 × Screw, 2 × Anchor, 1 × User manual
Color	White
Compatible Devices	Motion Detector
Control Method	Touch
Customer Reviews	4.4 4.4 out of 5 stars (4,967)
Manufacturer	SECRUI
Maximum Range	396.24 Feet
Mfr Part Number	SB-123
Model Number	M508+D017
Mounting Type	Door Mount
Number of Batteries	1 AAA batteries required.
Power Source	Battery Powered
Sensor Technology	Contact Sensor
Shape	Ellipse
Size	1 Receiver+1 Sensor
Smart Home Compatibility	Not Smart Home Compatible
Unit Count	2.0 Count
Voltage	120 Volts (AC)

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