990LM CLSS1C-B Surge Protector by LiftMaster Chamberlain garage door openers

The 990LM and CLSS1C-B Surge Protector by Chamberlain LiftMaster is a simple plug in solution to protect your garage door opener or other accessories from an electrical surge from lighting strikes

• Safely protects the entire garage door opener system including the AC power line control panel and The Protector System safety sensors
• Made to withstand most power surges and lightning strikes
• For use with LiftMaster garage door openers from 1994 to present