Check the listing for details. SimpliSafe SSBS3 Wireless Indoor Alarm System w/ Keypad, Motion & Entry Sensor. Color: White, Condition: Used, Made in China. Listed at 35.75 USD. The SimpliSafe SSBS3 Wireless Indoor Alarm System is a comprehensive home security solution that includes a keypad, motion sensor, entry sensor, and base station. With a sleek white design and easy wireless connectivity, this system is perfect for indoor use. The keypad allows for convenient control, while the motion and entry sensors provide added security against potential intruders. Powered by batteries or wall plug-in, this system is reliable and efficient, making it a great choice for home improvement and peace of mind. Batteries not included. Window sensors take 2032 and motion sensor takes cr123a. AA batteries for keypad. Go to SimpliSafe to learn more. System used for one year.