Polaroid PL150 Dedicated Manual Zoom Dua Flash for Pentax Cameras, Guide No. 137'.

The Polaroid PL150 Dedicated Dual Flash for Pentax has full TTL dedication, plus a continuous LED light, making this an ideal light if you're shooting still photos and video, since you don't need to switch back and forth between flash and continuous light. The flash has a guide number of 137feet (42 m) at 85mm/ISO 100 and it will accept light modifiers like diffusers and reflective panels.

The flash head tilts and swivels and features a manual zoom function. Recycling time is between 0.3 and 8.0 seconds, depending on the power setting. An auto sleep mode means less charging time and more shooting time. The Dual Flash operates on 4x easy-to-find AA batteries.