Product Description Fabric Type: Abs Neck Style: Cowl Neck Key Features: - Unique & Elegant Design: This stylish cowl neck design adds a touch of sophistication to your wardrobe. - Solar Power Technology: Equipped with a solar power transmitter and receiver plug, ensuring energy efficiency and long-lasting durability. - Wide Coverage: Effective range of 200-300M², making it ideal for various spaces like homes, offices, or gardens. - Multiple Tone Options: Features different tunes to choose from, enhancing your user experience. - Adjustable Volume Levels: 4-level volume adjustment, including a mute mode, allowing you to customize the sound to your preference. - Flexible Pairing: The transmitter can connect with multiple receivers, while receivers can also pair with several transmitters for versatile use. Specifications: - Package Size: 4.09 x 3.78 x 3.03 inches - Gross Weight: 0.4 lbs Doorbell Parameters: - Solar Cell: 150mAh Polymer Lithium Battery - Max Power of Emitter Solar Panel: 5.5V 25mA 0.13W - Working Current: 12mA - Connection Range: Approximately 200-300M (open area) - Transmitter Grade: IP65 Machine Parameters: - Working Voltage: 90-260V - Standby Current: 10mA - Working Current: 60mA - Working Frequency: 433MHz - Power Consumption: ≤ 2W - Music Output: 52 different tones - Volume Adjustment: 20-80dB (4-Gear Cycle Adjustment) Included in the Package: - 1 x Doorbell - 1 x Receiver - 1 x User Manual - 1 x Installation Tool Use Scenarios: - Perfect for notifying when guests arrive at your home or office without worrying about battery life. - Great for outdoor gatherings or events where you need to cover larger areas without losing sound quality. - Ideal for installation in locations with limited power sources, thanks to its solar panel capabilities.