Homedepot offers SimpliSafe Smart Home Security System (7 pc.) with Base Station, Siren, Keypad, Motion Sensor, 3 Entry Sensors, and Key Fob HSK112 for $99.99 (orig. $229.99) with free shipping.

Product Description:

Provide easy access to your property from unwanted intruders with SimpliSafe WiFi Smart Wireless Home Security Alarm Kit

• Whole home security that is expandable to protect against intruders, fires, water damage, medical emergencies and more
• Set it up in minutes, no tools or drilling needed
• Base station includes built-in 24-hour battery backup along with dual Wi-Fi and cellular connection to protect even when the power fails
• 4 times longer range than other wireless systems that covers any size home without a range extender
• Optional 24/7 professional monitoring starting at 60c/day
• Include base station with built-in 95 dB siren, keypad, motion sensor, key fob and three entry sensors
• One-year warranty
• Works with Alexa