SadoTech is a relatively new name when it comes to wireless doorbells. Though it does not have the features of a video doorbell, it does have everything else that you need for an alert system - Modern Design, Assorted Tunes, 1000 ft wireless range and affordable. 

For a bargain price of $16.99 and a mountain of features, you can definitely cannot go wrong with this device. It can be classified as a  ‘mid-range’ wireless doorbell which doesn’t pinch your pockets while also providing useful features.