The Ohaus CL is a lightweight, portable battery operated scale suitable for a variety of uses including schools. The CL is constructed in ABS plastic with a 120mm diameter pan. Designed to be stackable, overall scale dimensions are (WxHxD): 145 x 45 x 205mm (5.7 x 1.8 x 8”) approx. Battery operated (3 x AA batteries included) and with auto shut-off to conserve battery life. Available in packs of six units in the following Capacity x Readability:- 500g x 0.1g or 5000g x 1g.