Small compact slide viewer for framed slides 5 x 5 cm (2 x 2 in.). With hinged prop.
Required batteries: 2 x 1,5 V AA-size (supplied without batteries) 

Lamp: 2,5 V, 0,3 A, E 10, spherical
Lens: 63 x 53 mm (2.5 x 2.1 in.)
Dimensions (WxHxD): approx. 75 x 60 x 105 mm (3 x 2.4 x 4.1 in.)

2010: with 3-fold magnifying double lens

(Replacement lamp: 2107)