RL-H4C
![](https://mytopcon.topconpositioning.com/sites/default/files/styles/product_image/public/totalcare_product_featured_images/lasers_rlh4c_cutout_2.png?itok=I3CssP8J)
Its super-fast self-leveling motors are accurate to +/-10 arc seconds meaning whether you′re checking grade or setting batter boards you′re going to be accurate the first time. Its high-powered 2.4 mW diode means you have a 2,600ft. (800m) diameter working radius making it a great reference for machine mounted receivers.