The Seco-Larm HL-951T1-SQ 1-Button 900MHz HL-Series RF Transmitter delivers reliable, long-range control with improved signal penetration and enhanced interference resistance. Featuring ultra-low power consumption and multiple programmable output modes, this transmitter ensures efficient operation for various wireless control applications.

• Operates at 917MHz frequency for clear, interference-free communication

• Offers a range of up to 1,800ft (550m) line of sight

• Supports up to 99 programmable button codes

• Ultra-low power consumption with CR-2032 coin-type battery for extended life

• Compatible with all HL-series receivers of the same frequency