Used Amano NS-5000 electric time stamp w/original key. Works great!

Electronic, multifunctional and high-performance time stamp. It is full of functions that consider the user, such as abundant print variations and automatic character width adjustment function. 91 print patterns. You can select the basic print items (year, month, day, hour, minute, numbering 6 or 4 digits) from 91 combinations. Automatically adjusts the print space. Enter the width of the print space you want to type, and the size of each character will be adjusted automatically. Mass (kg): 2.9 Power Consumption (W): Standby 3, Rated 12 Power Supply: AC100V(50/60Hz) Outer Dimensions, Width W x Depth D x Height H (mm): 170×224×163