M1 Non-Contacting IC Card Hikvision, DS-K7M102-M; Sensing Frequency: 13.56MHz; Memory Capacity: 1024 bit; Function: Read and Write; Sensing Distance: 0cm to 4cm; Working Temperature: -10oC to +50oC (14oF to +122o F); Dimensions (LxWxH): 26mm x 50mm x 4mm (1.02 x 1.97 x 0.16); Material: PVC; pachet 25bucati;