sounder strobe with 2 0s 4 5s tone cycle

Wanlin Fire Equipment by Wanlin - China's leading source manufacturer of sounder strobe for commercial building. Factory-direct CO alarms and smart fire safety devices for the European market - EN 50291, EN 14604, EN 54 series, CE/UKCA certified, OEM/ODM, low MOQ, fast delivery. Contact +8613261677119.