Bulls Laser Oche - Throwline - Green. The Bull’s Laser Oche is the perfect solution for people who don’t want a Dartmat or oche on the floor. This Laser Oche can easily be turned on or off and is also rechargeable. Perfect for people at home who don’t want a dart mat in their room but still want to easily see the distance. The laser can be locked in the place with the screw on the side of the device, but can also loosen it up to setup the right angle/distance of the laser. This makes the laser very practical when installing it. A Green coloured laser is the most visible laser in daylight, making sure when you are playing darts in a room with a lot of light, the laser is still visible. The Bull’s Laser oche last around 4 hours before it needs to be recharged. So it is advised to recharge it after being used. The Bull’s Laser Oche comes with screws, charger and a wall mount