Features: Use for "block coding" (multiple transmitters programmed to the same code) Frequency 315MHz*. *434MHz version also available – SK-939T1-GBDQ Operates up to 500ft (150m). Actual range will vary greatly depending on the installation...

Features: Powered by internal battery or external 3~13 VDC output regulated adapter (not included) Frequency – 315MHz (FCC) / 433.92MHz (CE) Operates up to 500ft (150m)* Over 68 billion (6.8x1010) possible codes LED transmission indicator Includes...

Features: Operates up to 500ft (150m)* Over 68 billion (6.8x1010) possible codes LED transmission indicator Includes two 3VDC lithium batteries Compatible with all SECO-LARM receivers Available with SECO-LARM’s patented CODEBUMP™ technology...

Features: Over 68 billion possible codes LED transmission indicator only appears when buttons are pressed Operates up to 500ft (150m) RF Anti-scan protection FCC, IC, and CE Certified 433.92MHz (315MHz available) Compatible with all 433.92MHz SECO-LARM...

Features: CODEBUMP anti-codegrabbing technology. Transmitter’s code changes on every button pressed (over 18 quintillion possible codes) LED transmission indicator only appears when buttons are pressed Operates up to 500ft (150m)* RF Anti-scan...

1-Button RF Transmitter for use with all SECO-LARM 315MHz receivers Pre-coded, No ENFORCER logo on cover

Features: Over 68 billion possible codes LED transmission indicator only appears when buttons are pressed Operates up to 500ft RF Anti-scan protection FCC and IC Certified 315MHz (433.92MHz available) Compatible with all 315MHz SECO-LARM receivers...

Features: Used for protecting sliding doors and windows where space is limited 3/8" Press-fit mount 15" (38cm) wire leads Contact reed switch is SPST, deactivated rhodium on gold under-plating for a longer expected life Unique glue/epoxy compound...