SanJie Door Sensor Chime for Door Opens - 3 Sensors 2 Receivers, 500

In this review of the SanJie Door Sensor Chime, the bottom line is simple: it is a practical, easy-to-install entry alert best suited for small businesses, caregivers, and homeowners who need a clear notice when doors open. The biggest reason to buy is its combination of a long 500 ft range and expandable sensor pairing, which makes it useful across multiple doors or entry points without complicated wiring. Setup is straightforward and the unit includes multiple chimes and volume levels so users can tailor alerts to different spaces.

Key Features

• Wireless door chime: Sensors trigger a receiver when a door opens so you get an instant audible alert without wiring.
• 500 ft range: A long wireless range lets the receiver sit well away from the door, covering larger rooms or small stores.
• Expandable sensors: Each receiver can be paired with unlimited magnetic sensors and can assign different ringtones to identify which door triggered.
• 55 chimes and 5 volume levels: Dozens of tones and five adjustable volume steps (including mute) let you choose a sound and loudness that fits your environment.
• Easy installation: Units arrive paired and simply plug the receiver into a standard outlet while sticking sensors to doors or windows with included adhesive tape.
• Memory and LED indicators: The receiver remembers the last selected tune after power cycles and shows activation with LED indicators for visual confirmation.

Who It's For

The SanJie door chime is ideal for small retail outlets or reception areas that need a simple doorbell alternative, for parents who want a reminder when a child opens a bedroom door, and for caregivers monitoring exits by an elderly person with dementia. Its wireless setup and long range make it convenient for installations without tools or electricians.

Those who need a high-fidelity speaker or very loud industrial alarm should look elsewhere, as some users report mixed opinions on sound quality and maximum loudness depending on building layout. It is not intended as a security alarm with monitoring - it is an entry alert for awareness, not intrusion response.

Pros & Cons

Pros

• Simple, no-tools installation with pre-paired sensors and adhesive mounting.
• Flexible sound options with 55 chimes and memory of the last selected tune.
• Expandable system with the ability to pair many sensors and assign distinct ringtones to each.
• Good value for the package that includes three sensors and two receivers.

Cons

• Sound quality and maximum loudness receive mixed feedback; may not be loud enough in very large or noisy spaces.
• Adhesive mount may not suit all door frames or long-term outdoor exposure.

Specifications

Product type	Wireless door sensor chime kit
Included units	3 sensors + 2 receivers
Range	500 ft (line of sight)
Chime options	55 chimes with memory
Volume levels	5 adjustable volumes to mute, up to 110dB listed
Pairing	Receiver pre-paired; expandable to unlimited sensors
Installation	Plug-in receiver and adhesive-mounted sensors

Our Verdict

The SanJie Door Sensor Chime is a practical, budget-friendly solution for anyone who needs reliable door-open alerts across several entry points. With long range, multiple tones, and easy expansion, it is especially good for small stores, caregivers, and families. While sound fidelity and peak loudness are mixed among users, the flexible features and simple installation make it a worthwhile value for non-security alerting.

Frequently Asked Questions

Can I add more sensors to the system?
Yes. Each receiver can be paired with unlimited magnetic sensors and you can assign different ringtones to identify which sensor triggered.

How hard is installation?
Installation is very simple: plug the receiver into a standard outlet and stick the sensor to a door or window with the included double-sided adhesive tape.

Will the chime stay set after a power outage?
Yes. The receiver has a memory function that keeps the previously selected tune after re-plugging or power interruption.