in principle good, but battery-eaters

the sender can be (floating) use switches and buttons for radio control of intertechno compatible receiver. There are two entrances that lead independently to the same circuit (random) codes. we have with the adapter renovated an old bell system: Instead of a gong with power supply we just clipped this little transmitter and trained to different recipients. so you can let yourself "anklingeln" stress-free and even silently, for example by lamps. We use for example the intertechno receiver

there can be seen on the back of the "bell" duration using the rotary control to adjust. The sub-clacks so loud that you have to turn really no consumer more. ;)

so far - so "5 star".

Unfortunately we had with several of these devices hassle. first heard the first transmitter from one day to another to function. as he was at this time no 4 weeks in use and do reportedly switching cycles with one battery charge 20,000, I typed a defect. because I did not want to wait for a lengthy repair process (no bell), I ordered just another device that arrived the next day. I exchanged the equipment, learned the receiver to re - everything worked ... for a few days. then also denied the new device its function.

after several attempts, I finally exchanged but once the batteries. Immediately both functioned devices again! but only for a few weeks, then I had to replace the battery again. what it is, I do not know: the transmitter is perhaps