The Shure UR1MLEM03-L3 Micro Bodypack Transmitter features a miniature design and weighs just 2.2 oz (62g) without batteries. The transmitter is designed for use with the receivers in the Shure UHF-R series including the UR4S and UR4D. The UR1M bodypack does not include a microphone, however the 3-pin Lemo connection is compatible with lavaliers, head-worn microphones and instrument cables featuring a 3-pin Lemo connection. The transmitter is capable of 10 or 50mA output power, enabling extended range whenever necessary. The UR1M features a backlit LCD display and is powered for up to 9 hours on two 1.5V AAA alkaline batteries (low RF power).