Wireless Door Window Sensor Alarm for Kids Safety — DIY Door & Window Alarms

Compact white door sensors — perfect as door sensors replacements that work with Hapippofa Smart Home Alarm Siren Hub via RF433. Easy DIY installation for home security, kids safety, elderly monitoring and pet protection.

Why you’ll love it

• Simple, true DIY installation — peel the adhesive backing and stick the sensor and magnet in seconds.
• RF433 wireless connection — pair quickly with Hapippofa Smart Home Alarm Siren Hub for instant integration.
• Real-time notifications — receive push alerts to your phone the moment a door or window opens.
• Ideal for kids safety and home security — detects unexpected openings to help prevent accidents and unauthorized access.
• Flexible placement — designed for doors, windows, closets, pet doors, children’s rooms or anywhere you want extra monitoring.
• Compact, low-profile white design — blends discreetly with most interiors.

Key features

• Works with Hapippofa Smart Home Alarm Siren Hub (RF433)
• Instant mobile alerts when contact is broken
• Wireless, no wiring required — attach with included adhesive backing
• Contact sensor design for reliable open/close detection
• Suited for DIY home alarm systems and sensor replacements

Quick installation (30 seconds)

1. Clean the mounting surface.
2. Peel off the adhesive backing.
3. Align sensor and magnet (small gap allowed) and press to stick.
4. Pair with your Hapippofa Siren/Hub using RF433 pairing mode.

If your hub uses Zigbee, check our store for compatible Zigbee window alarms.

Best use cases

• Kids’ bedroom doors and windows (safety monitoring)
• Elderly room monitoring for peace of mind
• Pet doors and enclosures
• Back doors, garage doors, sliding windows
• Replacement sensors for existing Hapippofa RF433 systems

Specifications

• Model: Window Door Alarm PG-68
• Color: White

Secure your home and protect the people who matter — add the Wireless Door Window Sensor Alarm for Kids Safety to your cart now.

Enhance your home security with this easy-to-install wireless door and window sensor that sends real-time alerts to your phone. Ideal for monitoring children’s rooms, pets, or any entry points for unexpected openings.

Best Value

Wireless Door and Window Alarm Sensor

Real-time alerts for enhanced home safety

$9.99

in stock

Amazon price updated: October 6, 2025 8:36 pm