The 1113 Digital Vernier Caliper is Insizes wireless measuring caliper, with inside and outside measuring jaws. Supplied with thumb roller for fine adjustment and high speed measurement. The Caliper is made of stainless steel for longer tool life and durability from machine shop wear. With optional SPC cable data output. Measurement range up to 300mm (12). Built in wireless data transfer module, Zigbee signal. Transfer distance 6 metres. Resolution: 0.01mm/0.0005. Button function: on/off, zero, mm/inch, data transfer. Automatic power off (move digital unit to turn on). Battery CR2032. Made of stainless steel. Optional Accessory: receiver (code7315-2, 7315-3).