The OREL has a protection rating of IP65, weighs 160g ( including batteries or accumulators), with a power supply of 3x 1,5V batteries type AAA or 3 x accumulators type AAA, has a battery life of 1year ( for a typical use of 50 times per day with impulses of 2 seconds, with accumulators 42hr for 50% use time, with 6 button transmitter with on/off button.