Klein Tools LBL100 Laser Level with Level Bubble Vials, Magnetic, 3-Vial with Leveling Base, Laser Line and Laser Spot - Amazon.com
AdirPro Universal Rotary Laser Detector - Digital Laser Detector for Laser Level with Dual Display and Built-in Bubble Level, Compatible with All Red Rotary Lasers - Rod Clamp Included (LDG-8) : Amazon.co.uk:
Multi-Purpose Laser Level Compact DIY Tool with 3 Bubble Spirit Levels, 3 Laser Modes & 8ft Measuring Tape - H6.3 x W19 x D2.8cm | DIY at B&Q