Hand generator with filter and pulley

For the conversion of electrical energy into mechanical energy and vice versa;
DC motor with gearbox in transparent housing;
additionally built-in filter to suppress unwanted signals (to comply with the EMC guidelines);
Metal string reel, D = 30 mm, with deep groove;
front-mounted lamp socket E10;
attachable double cable with two 4-mm plugs, L = approx. 50 cm;

Power: 0 ... 6 V DC, 0 .... 1 A
Dimensions: approx. 137 x 48 x 106 mm
Weight: approx. 191 g