Easy plug-and-play USB installation. Wireless range up to 150 meters. Multiple chimes and adjustable volume. Sleek, compact design fits any decor. Energy-efficient with low power consumption. Brief Selling Description: Upgrade your home entryway with our USB Wireless Doorbell. Designed for easy plug-and-play installation, this doorbell offers a reliable wireless range of up to 150 meters, ensuring you never miss a visitor. Choose from multiple chimes and adjust the volume to your preference. Its sleek, compact design complements any home decor, while its energy-efficient operation keeps power consumption low. Perfect for modern homes, apartments, or offices. Material: 100%plastic Model: A98-DC (USB) Volume: 5 levels (adjustable to flash only) Music: 60 songs Receiver: USB plug powered Receiver: with indicator light, ring and flash Receiver size: 56mm*56mm*20mm Transmitter size: 70mm*43mm*20mm Transmitter: use 12V23A battery Remote control distance: 150M straight line on open ground