inputs.text: m538bs base murs radio - nothing good things say m538ms base units great little units use mine home talk wife keep 1 front house 1 radio room 1 bathroom sehemi handicap saves lot traveling time 1 bathroom case 1 might need help woorks great 1 came bad switch called tech coustmer service sent new one no questions asked not even ask return broken one seehem great public relations purchaser ask buying couple would say heck yeah [ roy ] tn