The RYOBI 20m Laser Distance Measurer will become your favourite tool for making quick and highly accurate measurements. Use it for DIY projects whenever you need to measure the distance between walls, height of doorways, inside cabinets, lengths of window frames and so much more. The red laser measures distances with incredible accuracy in real time and automatically includes the length of the tool itself. Ensure the base of the tool sits flush on surfaces to get precise readings. The LED screen displays the current and previous distance measured. It also has two indicators on the screen for battery life and to confirm when the laser is on. Operate this Tool with one button to turn it on/off, save two measurements and select imperial or metric view modes. These modes include feet (decimals), inches (decimals), metres (decimals), feet/inches (fractions) and inches (fractions). This Laser Distance Measurer includes two AAA batteries, so it’s ready to use straight out of the box!