Comark Fluke RF324-ALERT Temperature Alarm

Audible & Visual Alarm, standalone monitoring system for all the date loggers in the Diligence WiFi range, -4°F - 140°F operating temperature range, built-in speakers, flashing red LED's light up through translucent red rear molding, signal strength indicator, connect wirelessly via WiFi, configurable alarm tones and volume, auto mute, battery powered (rechargeable internal lithium polymer battery), wall bracket, micro USB lead and main charger, 802.11b compliant, IP55 protection rating