The Lang CAT IV Wireless Clamp, No. 13810, allows technicians to use a smartphone or tablet to view measurements wirelessly. It offers technicians the flexibility to choose from test lead measurements, standard clamp head, or low-amp clamp-on current head. Users can remotely measure and display AC/DC volts, up to 400 amps, or low amps with mA resolution. The 13810’s transmitter communicates using wireless protocol compatible with smart phones and has an additional wireless RF module built-in for future expansion.