Telephone sound amplifier with ringer for hearing needs brand new and high quality<br> Installation:<br> 1.Please connet the C/O ring plug with ringer's jack.<br> 2.The ringer's plug connet with telephone.<br> 3.There are high,low switches for your selections.<br> <br> Features:<br> Flashing light alerts you of incoming calls in quiet environments.<br> It has a light and switch to select between a high and low frequency ringer sound.<br> The switch has 2 positions: One for the high frequency ringer sound and the other for the lower frequency ringer sound.<br> Easy to easy. Operates with simple connection to phone line.<br> for Ideal solution for the hard of hearing, or for use in noisy environments, indeed anywhere indoors.<br> Telephone Ringer only, other accessories demo in the picture are not included!<br> <br> Specification:<br> Material: Plastic<br> Color: White<br> Dimension: 97x57x26mm/ 3.82x2.24x1.02in<br> Quantity: 1 Pc<br> <br> Note:<br> 1.No retail package.<br> 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid.<br> 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!<br> <br> Package includes:<br> 1 x Telephone Ringer