Seco-Larm HL-951T2-SQ 900MHz 2-Button RF Transmitter

The ENFORCER 900MHz HL-series RF transmitters and receivers use digital modulation for improved immunity to interference, better signal penetration in environments with heavy obstructions, and significantly longer range of up to 1,800ft (550m) line of sight. The transmitter's ultra-low power consumption gives you longer battery life with easy to obtain coin-type batteries (CR-2032)

• 917MHz Frequency
• Digital Modulation – Improved immunity to background interference
• Armor-Piercing Technology – Improved penetration of physical obstructions
• Over 2.028x10³¹ (20.28 nonillion) possible codes to thwart code crackers and potential for duplicate codes
• Pocket-Sized – IP68 Waterproof, up to 10-years battery life
• Available with one or two buttons – for one or two channelS