23% off SimpliSafe Defend Home Security System

With 4 entry sensors, 2 motion sensors, a panic button and a smoke detector, SimpliSafe Defend Home Security System is a comprehensive security system keeps your home safe in the event of an intruder, fire or other dangerous situation. Monitor your home while you're away using your compatible mobile device.

• Detect potential intruders around the clock: Multiple entry and motion sensors alert you when someone attempts to enter your home. Optional professional monitoring automatically sends a police dispatch (subscription required).
• Arm and disarm your system or check on your home from your mobile device: Compatible with select Apple iOS, Android, Windows Mobile, Windows and Mac devices for versatility.
• Built-in CDMA/GSM cellular connection: Receive alerts quickly and easily.
• Immediate assistance in emergency situations: Panic button lets you trigger an alert in the case of an intruder or dangerous situation.
• Battery-operated design for long-lasting use: Lithium batteries help keep your home safe even if the electricity fails.