This is a new bedwetting alarm suitable for treating enuresis. My daughter used it, and she has successfully overcome the issue, so I am selling it. There is some minor soiling, but the operation has been confirmed. PISSCALL by Awajitech 315MHz frequency Uses CR2032 batteries. - Brand: Awajitech - Model Name: PISSCALL - Frequency: 315MHz - Battery Type: CR2032 - Model Number: APR-315BT-1 - Model Number: APT-315-6 Thank you for looking.