The V1 is a bigger unit as well and boxie old looking.
The V1 is a bigger unit you say?
Size (from smallest to largest):
Valentine One -> 16.20 cu. in.
Bel RX65 Pro -> 16.33 cu. in.
Bel STi Driver-> 16.33 cu. in.
Escort 8500 X50 -> 18.95 cu. in.
Escort 9500i -> 21.72 cu. in.
Weight (from lightest to heaviest):
Valentine One -> 181.5g (6.40 ounces)
Bel RX65 Pro -> 236.6g (8.35 ounces)
Escort 8500 X50 -> 253.7g (8.95 ounces)
Escort 9500i -> 269.2g (9.49 ounces)
Bel STi Driver -> 291.6g (10.29 ounces)
The Escort 9500i is the largest in size and the Beltronics STi Driver is the heaviest. The Valentine One is the smallest and lightest radar detector of the top five radar detectors made today.