The Stanley STA0-42-087 Digital Angle Level 40cm has the following features:
Number of vials: 2
Clear LCD Screen
Horizontal and vertical vials (1mm/m)
Anodised aluminium profile

Specification:

Digital Angle Measurement: 0 up to 180
Length: 40cm
Accuracy: 0.1
Digital Accuracy: 0.1mm/m (at level and plumb), 0.2mm/m at all other angles