- Each hour is marked by a simple math problem
- Matte black powder coated metal
- Powered by: 1 x AA battery ( Not included )
- Size: Diameter: 29.5cm

ApplicablePlacement: Bathroom，Corridor，LivingRoom，Study
Form: Single Face
Material: Plastic
Motivity Type: Digital
Shape: Circular
Weight: 1.478kg

Package weight: 0.389 kg
Package Size(L x W x H): 32.00 x 33.00 x 7.00cm / 12.6 x 12.99 x 2.76 inches

Package Contents: 1 x Clock