AM 690 XThe Amba AM 690 X compatible* lamp, is a high quality bulb made with the finest raw materials. It is designed to provide high actinic output and long service life. The optimized spectral output guarantees rapid curing and short exposure times with the industries best dot to dot quality. The 158 mm long AM 690 X has a factory warranty of 600 hours. optimized spectral output short exposure times short curing times customer approved Length: 158 mm