9 Measuring, signalling and checking (supervision) apparatus and instruments for adjustment devices for seats and reclining furniture, namely, transmitters of electronic signals, electronic notice boards, optical lanterns, light-emitting diodes (LEDs); apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity for adjustment devices for seats and reclining furniture, namely, accumulators, electric chargers for electric batteries, battery packs, power supplies, power cables, transformers, switches, namely, electronic switches; electrical connecting parts, namely, electrical cables, battery charger cables, motor lift chair actuators; electronic notice boards, cabinets for loudspeakers; remote control devices for adjustment devices for seats and reclining furniture; light-emitting diodes (LEDs), optical lanterns; power switches; electric switches, electric apparatus for commutation for adjustment devices for seats and reclining furniture, namely, remote electronic controllers for motor lift chair actuators for adjusting seats and reclining furniture; transmitters of electronic signals, transformers for adjustment devices for seats and reclining furniture