Doorbells alarm in comparison

5MP Super HD Image in 180 Diagonal Find the right position for your doorbell with its 15 wedge kit and enjoy the super wide field of view. Incridible 5MP HD, with advanced HDR 3D DNR and distortion correction technologies, bings you sharp and detailed images even in low light conditions.

Encrypted Cloud Storage for Extra Security Store recordings safely with AES 128-bit encryption, keeping your footage private and accessible (sold separately).

55 Ringtones with Mute to 110dB The door alarms for business home has 55 chimes with 5 adjustable volumes. With LED indicators and memory function it will keep the previous set tune after re-plugging.

Ultra-Long Distance Wireless Range This wireless doorbells offers a remote connection of up to 300 M 1000 foot and does not interfere with other equipment in your home.

MULTIPURPOSE Ideal for front doors, window frames, mailbox alert, walking paths, entry alert chime, pet monitor alarm and anywhere in your home you want to be alerted to motion. Also great to alert business owners that are working in the back, or out of sight, to customers entering their store.

How it works - Koostone Wireless Door Chime comes with 2 door window sensors and 1 receiver, and each sensor can set a separate sound with the receiver, that means you can know the front door or the back door or the mailbox opens without needing to go to see it. The sensors will detect the door window, and will be triggered to send out a signal when the door window opening. Receiver will receive the signal and alerts. It can be used as door chimes when door opens for business.

36 Ringtones & 5 Welcomes Doorbell Rings Languages 5 welcome languages are selectable in welcome mode. 36 ringtones selectable in doorbell mode. Welcome doorbell Alarm model has 4 level volume adjustable. Color light Lighting mode is silent and has 4 levels of brightness adjustable. Great for people with hearing disabilities or if there is a sleeping baby in your house. The color light model also has 4 colors selectable.

Rechargeable Battery & Intelligent Motion Detection Enjoy the convenience of a 100% wireless connection with the rechargeable battery-powered CPVAN WiFi doorbell camera. Its built-in PIR motion sensor enables smart motion detection, instantly notifying you via the app whenever any movement is detected. Keep your home protected around the clock with CPVAN's smart video doorbell camera.

& This Boifun doorbell camera wireless delivers sharp, detailed footage day and night with 2K Ultra HD resolution and built-in infrared night vision so you always know who s at your door, even in total darkness. As a reliable video doorbell camera no monthly fee, it includes 30-day free cloud storage (loop recording, 6s per clip) and supports up to 128GB SD card storage (card not included), all without hidden charges.

Alarm sound 100dB high volume and Receiver alarm sound HI LO option.

User-Friendly There are 2 modes choices (LED Flash Sound and LED Flash), 3 levels volume adjustment (High Middle Low ) from 25-80dB and 38 Ringtones to choose.

2K Video 176 View Night Vision Records everything happening at your doorstep in 2K resolution and enjoy 5M infrared night vision for 24 7 peace-of-mind. No more frustration with pixelated or blurry videos! With a 176-degree viewing angle, you can easily see the postman from head to toe and know where he places your package. The doorbell also comes with several different mounting plates in the package, which can help adjust the angle of installation to optimize the doorbell s vision.