RitchieSport - X-10-M World famous accuracy and versatility are combined in a bracket mount model. 1-7/8" dial. Features Easy-to-install on windshield or dash. Two-sided, self-adhesive mounting pads included. Reversible bracket adjusts though 300 . 1-7/8" Direct-reading, high visibility blue dial. Internal night light. High temp composite construction for extended operating range. Hardened steel pivot and sapphire jewel movement. Built-in compensators.