Avlex: MIPRO ACT-707TM

World's first ACT-function. Once you press the [ACT] key on the receiver panel, the transmitter channel is automatically locked to the receiver frequency.
The standard TA4F mini-XLR input connector is utilized for quick screw lock connection.
Proprietary "Photo-Cell Coupling" high dynamic range and high fidelity modulation circuitry.
Advanced efficient transmitting and low power consumption circuitry design provides long operating hours with 2 AA batteries.
LCD panel displays group, channel, error code and battery meter status simultaneously.
Selectable impedance switch for microphone or guitar. Built-in sensitivity level adjuster.

Specifications:

1	ACT Function	Yes
2	RF Output Power	10mW (or according to regulations)
3	Oscillation Mode	PLL Synthesizer
4	Spurious Emissions	<-60dBc
5	Maximum Input Level	0dBV
6	Category	Body Pack
7	Microphone Capsule	MU-53/55
8	Input Connector	4-pin Mini XLR
9	Battery	AAx2
10	Dimensions	4.1" x 2.5" x 0.8" 105 mm x 63 mm x 21 mm
11	Weight	4.9 oz 145 kg
12	Approvals	Complies with North American, Asian & European Regulations