The Seco-Larm SK-919T4-GNQ is a weatherproof 4-button RF transmitter that supports up to 15 channels for expanded wireless control of security, automation, and access systems. Built with CODEBUMP™ code hopping technology and operating on 315MHz, it provides secure, long-range performance up to 500 feet.

• Controls up to 15 channels via 4 programmable buttons

• Secure code hopping with over 68 billion possible combinations

• Weather-resistant IP66-rated housing for outdoor use

• LED indicator activates only when a button is pressed

• Compatible with all SECO-LARM 315MHz receivers and CODEBUMP™ systems