Intermatic DTAV40Q 24 Hour Electromechanical Defrost Timer Dripline Header The spray is delivered automatically The spray is delivered automatically to disinfect the shears when they are closed The IOS CMP DT LV 360° Dual Technology Low Voltage Occupancy Sensors control the load based on occupancy and ambient light levels Q model features self recharging battery backup with 72 hour carry over Walk in Freezer Backup Protection Time 72 Hours Backup Restoration Time 70 Hours Battery Service Type Rechargeable Battery Type Li Ion Category Defrost Timers Web Clock Drive Type Quartz Defrost LED Indicator Red Electrical Life 50