Power Button Properties:

• 1 piece of lithium battery Cr2032 (INCLUDED)
• Receiver connection with voltage 100-240V
• LED indicator for the button and the receiver/bell
• Operating range up to 180 meters
• Volume adjustment in 5 levels from 0dB-110dB
• Waterproof design IP56 for the button
• DIY code: ability to add more buttons and bells
• Button pairing capacity: 8
• The button does not support bells from other companies

Technical Specifications:

• Button: 12V (from battery 23A 12V)
• Bell: 100-240V~, 50/60Hz, 1W Max, Class II, IP20