YBJ YB-108-4GUS-D Alarm System for Home Security: No monthly fee with free app control

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This YBJ alarm system is designed for homeowners who want reliable protection without monthly fees. Perfect for families who need to secure their home while at work or traveling, it gives you control from your smartphone.

Unlike basic security systems, this kit offers dual-network reliability. The 4G backup keeps you connected even during power outages, so you never miss an alert. The motion detectors can sense movement from across a room, and the app sends notifications faster than you can check your phone.

Setup takes minutes with no wiring. You can expand the system with up to 200 sensors as your needs grow. Use voice commands with Alexa or Google Assistant to arm the system hands-free. The loud alarm and instant alerts provide real security, not just features.

Features

Easy to install with no wiring required
Supports WIFI and 4G dual network
Timing arm and disarm via app or keyboard
Anti-theft protection with loud alarm and notifications
No monthly fee with free app control

Model

YB-108-4GUS-D

Color: Black

General specs

Brand: YBJ
Model: YB-108-4GUS-D
Seller: Amazon
ID: B0D1Y97NWD
Alert Type: Motion, Audio, Audio & Motion
Dimensions: 80, 50, 100
Item Weight: 499
Connectivity: Wi-Fi, GSM
Power Source: AC Power
Mounting Type: Wall Mount
: Yes
Control Method: App, Voice
Detection Type: Motion, Door/Window
Indoor/Outdoor: Indoor
Connection Type: Wireless
Motion Detection: PIR
Smart Home Compatibility: Alexa, Google Assistant, Tuya
First listed by seller: 1/16/26

If you are interested in more details, you can find full information on the seller's page.

Buy on Amazon #publicidad

$83.99 ~~$119.99~~

Last price update: 3/11/26

Available to order

Price History for seller Amazon

Date	Price
3/11/26	$83.99
1/16/26	$119.99

Shipping options

Delivery to

United States

Available

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	YBJ YB-108-4GUS-D Black No monthly fee with free app control	PGST PG108-4GUS-F WiFi and GSM/4G connectivity with no monthly fees	PGST PG103-US4G-E PG103-E	Clouree CL103-4GUS-F 2.4GHz WiFi + GSM/3G/4G dual network mode	LWOHSI A108F Black	PGST PG107F-US-E Black 4.3-inch full-touch LCD screen
Brand	YBJ	PGST	PGST	Clouree	LWOHSI	PGST
Model	YB-108-4GUS-D	PG108-4GUS-F	PG103-US4G-E	CL103-4GUS-F	A108F	PG107F-US-E
Color	Black		PG103-E		Black	Black
Rating	(0)	(0)	(0)	(0)	(0)	(0)
Price	$83.99	$132.99	$122.54	$139.99	$149.99	$169.99
Seller	Amazon	Amazon	Amazon	Amazon	Amazon	Amazon
Update	Mar 11, 2026	Mar 11, 2026	Mar 11, 2026	Mar 11, 2026	Mar 11, 2026	Feb 7, 2026
Alert Type	Motion, Audio, Audio & Motion	Motion, Audio	Audio & Motion	Motion, Audio, Audio & Motion	Motion, Audio, Audio & Motion, Entry	Audio, Audio & Motion
Dimensions	80, 50, 100	<num_width>, <num_height>, <num_z>	25.4, 25.4, 25.4	129.54, 16.00, 190.50	152.4, 101.6, 203.2	152, 145, 203
Item Weight	499	<num1>, <num2>	1102	1129	500	1057
Connectivity	Wi-Fi, GSM	Wi-Fi, GSM	Wi-Fi, GSM	Wi-Fi, GSM	Wi-Fi, GSM	Wi-Fi, GSM
Power Source	AC Power	AC Power	AC Power	Battery	Battery	AC Power
Mounting Type	Wall Mount	Wall Mount			Wall Mount, Door Mount, Ceiling Mount, Tabletop Mount	Tabletop Mount
Yes	Yes	Yes	Yes	Yes	Yes
Control Method	App, Voice	App, Voice	App, Voice, Remote	App, Voice, Remote, Touch	App, Voice	App, Voice, Touch
Detection Type	Motion, Door/Window		Motion, Door/Window	Motion, Door/Window	Motion, Door/Window, Human Presence	Motion, Door/Window
Indoor/Outdoor	Indoor	Indoor	Indoor	Indoor	Indoor/Outdoor	Indoor
Connection Type	Wireless	Wireless	Wireless	Wireless	Wireless	Wireless
Motion Detection	PIR		PIR	PIR	PIR	PIR
Smart Home Compatibility	Alexa, Google Assistant, Tuya	Alexa, Tuya	Alexa, Tuya	Tuya	Alexa, Google Assistant, Tuya	Alexa
Material			Plastic	Plastic	ABS	Plastic
OS Compatibility				Android, iOS	Android, iOS	Android, iOS