PLEASE NOTE THAT NO NEW ORDERS WILL BE TAKEN FOR THIS MODEL AFTER 12/2016. CLICK HERE FOR DETAILS OR SEE MODEL NTM-P AS A REPLACEMENT. OTEK's HI-Q101 (1.39"W x 6.60"H x 3.27"D) is not only a form, fit and function replacement of the BE051 & BE101 but a 21st Century technology equivalent of our successful HI-Q Series. The look is similar but the performance is different. Panel cutout (1.06"W x 5.60"H).