The DT-3015N heavy duty, battery powered stroboscope possesses the same great features of the DT-315A such as the phase shift function and external trigger input. The quick recharge battery lasts up to three hours of full continuous usage with its high intensity flash rate. The DT-3015N provides power flexibility by utilizing either its rechargeable internal, batteries or AC line-power when plugged into the included AC adapter/charger unit. Robust enclosure allows usage in industrial environments. These features make the DT-3015N ideal for quality inspection and preventive maintenance of automated motion equipment.