Alerts to existing doorbell with loud alarm and bright strobe Hard-wired ADA compliant This Hard Wired doorbell alerts you with a super loud horn and bright flashing strobe whenever someone rings the doorbell. For use in homes and businesses and can be used to meet ADA requirements. Kit available with doorbell signaler, 24VAC Transformer and doorbell push button (see we also recommend tab). Requires licensed electrician to install. Features: 92dB horn at 10ft away 24V 50/60 Hz or 24V DC Current draw: 175 mA at 24V 50/60 Hz; 125 mA at 24V DC Strobe output: 50 cd on-axis Designed for installation in a single gang 2" x 4" box UL 1638 Listed Maximum 2 signalers per system Feature Details Brand Edwards Signaling Mfg part # 7005-G5 UPC 0782640003107 Warranty Ninety days Color White Weight (lbs) 0.57 Battery operated? No Country of Manufacture United States System (no system / stand-alone) Alert Type(s) Vibration Flashing Light Loud Audible Low Vision / Deaf-Blind No Yes Yes No Transmitter / Receiver Receiver Expandable Yes Portable No Battery backup No USB charger No