Cavo Telefonico Trr 11c (11x2x0,6mm) Ecs Tepvsn11cpxxgrm0m Matassa 250m 232124823100 The battery is 3 V

The battery is 3 V CR2032 type and the transmitter

They have a key lock function that protects them from involuntary random activation and have an auto-off mechanism after at least 20 seconds of continuous activation (to limit battery consumption)

to be used as an auxiliary acoustic signaller

and from remote control

Cavo Telefonico Trr 11c (11x2x0,6mm) Ecs Tepvsn11cpxxgrm0m Matassa 250m 232124823100 The battery is 3 VCavo TELEFONICO TRR Mod. TEPVSN11CPXXGRM0M 11C (11x2x0,6mm) Per posa interna Conduttore: Filo di rame stagnato (Cu Sn), diametro 0,6mm Isolamento: PVC Fasciatura: in materiale non igroscopico, riunitura a strati Guaina: PVC + filo taglia guaina (a partire da 5 elementi) Marcatura: Eca [n. lotto ww yy] CEI 20 22 II, CEI 20 37 I Tensione di prova: 1,5 kV Capacit mutua massima a 800Hz: 120 nF Km Bilancio di capacit: 400 pF 500m Massima resistenza in CC a