Blackboard Sticker with Adhesive Backing, 78 Inches by 17 Inches, Cut to Desired Size, Includes 5 Chalk Sticks, Ideal for Walls, Doors, Refrigerators or you can use four

or you can use four AAA batteries (not included) to power the light wherever a USB port is not available

Pulse Width: 10μs

0 oz (397 g)

Remarkable accuracy and fast measurement speed

Blackboard Sticker with Adhesive Backing, 78 Inches by 17 Inches, Cut to Desired Size, Includes 5 Chalk Sticks, Ideal for Walls, Doors, Refrigerators or you can use fourEASY TO USE This blackboard sticker sheet changes any flat surface into a fully usable blackboard. It is a great alternative to blackboard paint as it can quickly be removed or re positioned without damaging the surface. 5 chalk sticks are included (2x White, 1x Blue, 1x Red, 1x Yellow). CUT TO SIZE The sheet can be cut to any shape or size, and the backing features a grid pattern for easy measurements. Each square is 1 centimeter and there is also a