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High Bird Sound Doorbell PCB with Flashlight. High-Decibel Canary Sound: Reaches 150dB at 30cm for clear alerts in homes and offices. OEM Design and Voice: Customizable design and voice options for brand-specific use. Long Service Life: Reliable performance with a lifespan exceeding 5 years. Lightweight Durable Build: Constructed from ABS, weighing 15g with dimensions 5.8*3.2*3CM. Wide Voltage Support: Operates on AC 110-240V for global compatibility. Global Export Experience: Products exported to over 20 countries with proven reliability. High Production Capacity: Annual capacity of 10,000,000 units ensures stable supply. Versatile Application: Suitable for homes, offices, apartments, and commercial spaces.