1. Product name: Electronic Buzzer; Model No.: sfm-27; Sound type: continuous beep; Nominal voltage: DC 12 V 2. Operating voltage: DC 3-24 V; Nominal current: 30 mA; Sound level: 90 dB 3. Resonant frequency: 3000 +/- 500 Hz; Operating temperature: -20 to +60 C; Overall size: 30 x 15 mm (D x H) 4. Mounting hole diameter: 3 mm; Mounting hole spacing: 40 mm; Wire length: 10 cm (10.2 cm) Benefits and suitability - Wide operating voltage range supports use in multiple circuits and devices, with a fixed nominal 12 V requirement for steady performance. - High audible output of 90 dB ensures reliable signaling in noisy environments. - Compact dimensions (30 x 15 mm) and standard mounting hole spacing allow easy integration into panels, enclosures, and DIY projects. - Broad operating temperature from -20 to +60 C enables reliable operation in varied conditions. Applications and use scenarios - Industrial control panels and equipment where a clear audible alert or status signal is required. - Consumer electronics or home automation projects needing a reliable continuous beep indicator. - Automotive, appliance, or tool assemblies that require an audible notification for faults, warnings, or process events.