B&K Precision 1667 Bench Switching DC Power Supply Series, 1-60V, 3.3A BK Precision's model 1253 is

BK Precision's model 1253 is an affordable HDTV test pattern generator that delivers accurate test patterns for the testing of the most common HDTV displays including Plasma

Power Supply Protection: ±20V DC

and laboratory applications

110V AC is typically used in North America

B&K Precision 1667 Bench Switching DC Power Supply Series, 1-60V, 3.3A BK Precision's model 1253 isConstant voltage (CV) operation Constant current (CC) operation (current limiting) Bright easy to read LED displays Overvoltage protection The B+K Model Switching DC Power Supply uses new switching technologies to offer more power at a lower cost than traditional linear power supplies. Product Dimensions (L x W x H): 318 x 267 x 155 MM Product Weight: 1. 5 LB