| The latest addition to the HD alarm range, the HD4 model offers a high quality, multi-function alarm option. Based on the previous XTE model chassis, the upgraded circuit boards, and functionality result in a high-performance great value alarm that won't let you down. Adjustable 4 colour LED (Red, Yellow, Green, Blue), 15 second latching time, 30 second 'mute' feature, detachable black snag ears, 4 level volume, tone, and sensitivity settings, drop back differentiation, nightlight mode, up to 150m range, 2.5mm power out socket, low battery warning, and high impact ABS moulded construction.Features: - Detachable snag ears.- Ultra-bright long life LED.- Nightlight.- Stainless steel screw thread.… | |