1.Nurse call button Any language any logo is acceptable 2.2 key: CALL, CANCEL 3.Nurse call button cord has a RJ11 port to connect a additional key to call
2 key: CALL, SOS Material: PC+waterproof silicone Signal Distance: 200M in open area Dimension: 70*42*16mm Color: Black-red Hang on the neck With a 12V 23A battery