No Setup Required: Work out of the Box and Without Any Settings. Insert 2 AAA Batteries (not Included) and Ready to Go. Universal Remote Control for All BENQ Projector W1080ST W1070 HT1075 HT2150ST HT3050 HT4050 TH682ST TH681 TH535 TH530 MS527 MS524 MW529 MH530 Stable Performance: Strongest Signal by Infrared Technology, Covers All the Functions of the Original Remote. Farther Transmitting Distance over 10 Meters/33 Feet. Fast Response: Soft Touch and Anti-dusted Buttons. Fastest Response Not over 0.2 Second. Supports over 150,000 Clicks Approved by Tests. Premium After Sale Service: Provide 360 Days Warranty Return Service. All of the Customer Service Reply within 12 Hours.