AmazonCommercial Emergency Light Exit Sign, 1-Pack, Exit Combo with Battery Backup, 2 LED Adjustable Heads. 4.5 out of 5 stars 73. $31.73 $ 31. 73. Between $50 and $75. LEDIARY 2 Pack Exit Sign with Emergency Lights, Red and Green Exit Sign Color Changeable, UL Certified, Battery Backup and Two LED Adjustable Head, Exit Sign for Business.