Cost-effective electronic gong with battery operation and standard functionsProduct features:3 sounds (2-/3-tone, Westminster) adjustable volume up to max. 83 dB (A) 3-way call differentiationwhite ABS plastic with acrylic door color redTechnical specifications:Minimal standby loss for long battery life. - with normal operation approx. 3 years max. 83 dB (A) Temperature range +5°C - +40°C150 x 115 x 40 mmInstallation instructions:Operation with batteries 4x1.5V (type LR14/C, alkaline baby cell, not included in delivery) Safe ringtone activation with potential-free contact or with 8-12V~ Optimum pre-assembly (screw spacing corresponds to flush-mounted box diameter) Parallel connection to other CROMA gongs or to electromechanical gongs possibleNote:
