Wireless Door Sensor Doorbell – Alerts When Door Opens, 500ft Range, 26 Tones, 5 Adjustable Volume Levels, Suitable for Business/Home/Kids

Product Introduction

This wireless door sensor doorbell instantly alerts you when a door is opened, ideal for home, commercial, and child safety use. Whether preventing kids from sneaking out of bedrooms, monitoring dementia patients, or ensuring no customer is missed in your store, this doorbell is the perfect choice.

Product Features

✅ Door Open Alert
The sensor detects door openings and triggers the doorbell, helping you easily monitor entry and exit. Perfect for bedroom doors, retail shops, and various other scenarios.

🔔 Easy Installation
Sensors and receiver come pre-paired. Simply plug the receiver into a standard outlet and stick the sensor on any door or window with double-sided tape—no wiring required.

🎶 26 Tones and Adjustable Volume
Offers 26 different tones and 5 volume levels, from silent to a powerful 110dB alert. Equipped with LED indicator and memory function that retains the last settings after power loss.

📡 Long Range & Expandable
Wireless signal covers up to 500 feet, covering every door in your home or store. Supports unlimited sensor pairing with different tones assigned per door to accurately identify which door is triggered.

Product Specifications

•  Power Source: AC
• Dimensions: 7.6 cm (L) × 7.6 cm (W) × 5.1 cm (H)
• Battery: 12V (for sensors)
  

Package Includes

• 2 × Wireless Door Sensors
• 1 × Doorbell Receiver
  

💡 Easily enhance safety and convenience so you never miss visitors or door activity—this multifunctional wireless doorbell is your ideal choice!