Creates a physical sensation to alert the hearing impaired or heavy sleepers when an emergency alert is received by a Midland Alert Radio
Compatible with WR11, WR100, WR120, WR300 and WR400 Midland Weather Alert radios
Ready to use, Includes 2 AA batteries and a 2-meter cord with 3.5mm jack for quick connection
Low battery alert lets you know when it is time to change your batteries
Pillow clip helps keep the shaker in place
May be compatible with other weather alert radios that uses a 3.5 mm external jac