【52 Ringtones with 4 volume levels】: The doorbell chime offers 52 optional Ringtones and 4 adjustable volume levels from 20db-100db. You can set your favorite tones or mute mode with just LED flash in your personal time, or the loud enough sound to ensure even the elderly people can hear the bell well. Be free to choose ringtones and volumes based on your preference.

【Work with Video Doorbell】: This chime works with ONLY BYLover wireless video doorbell camera as a ding-dong alarm receiver. It is NOT compatible with RING Doorbell. It cannot be used alone. It is used with video doorbell

【Strong Signals for Long Range】: Strong penetration and signal stability enable it easily cross through doors or walls. The distance between the doorbell camera and chime is about 300ft. Get instant alerts anywhere in your home or business zone. Don’t worry that you're missing visitors.

【Easy to Use】: Plug the chime into a wall outlet. No batteries and wiring is required. Connect it to your Wi-Fi network and link it to your doorbell camera. It is that easy. Once you press the doorbell, the chime will ring at the same time.

【100% Risk Free Purchase】: If you are unsatisfied with your purchase for any reason, just email us, it's that easy, all product is backed by a 30-day, 100% satisfaction money-back guarantee.