Product SKU:QT-ASC-11 Size:Standard Material:MS Range:0.5,1,2,3.25km Voltage:220V Frequency:50Hz Display:10x2.8cm Digit LCD Fire:Warbling Tone sound continuously for 2 minutes Emergency:Warbling Tone sound con nuously for 2 minutes repeated thrice with a gap of 10 seconds each time All Cear Button:Straight Run sound for 2 minutes Test Button:Straight Run sound for 2 minutes Warbling Button:Siren ON for 4 seconds and OFF for 4 seconds Reset Button:Reset Current Operation Timer Time Range:User Selectable time range(Programmable 5 to 60 sec)Up to 20 Alarm timing setting option Functions:Micro-Controller based multifunction Real Time, One Shot, On Delay, Off Delay, Cyclic, ON or OFF, Star-Delta changeover, Interval and Hour meter