Wireless Call System ET-E81

Operating Instructions
First of all, open the package box and insert 5V6A power supply into the power supply hole of the transmitter. install an antenna into a corresponding hole. then insert each receiver into the charging slot of the transmitter. generally the charging time is 5-10 minutes. then match the code. corresponding numbers have been set by default when the product leaves the factory

Code Match
Turn on the power of the receiver. short press set one the back of receiver to enter a code record state, and match the codes by pressing a corresponding numeric key on the transmitter

Technical Parameter

Transmitter
Dimension	200 x 160 x 33 MM
Weight	426 G
Shell Material	ABS
Transmitting Power	110mW
Standby Power Consumption	90mW
Maximum Power	27W
Power Supply	5V x 6A
Charging Slots	16

Receiver
Dimension	80 x 13 MM
Weight	35 G
Shell Material	PC
Receiving Frequency	433MHz
Receiving Sensitivity	-114dB
Distance Environment	200 M
Battery Capactiy	1500mAh , Li-ion
Alert Mode	Vibration + Buzzer + LED Flashing

Receiver Key Functions
(1) Long press the side key for 3 seconds to turn on/off, short press reset to return to a standby state (2) Short press set to enter a code record state, long press 5 seconds to clear the code (3) Press mode to switch between alert modes, three modes are avaiable buzzer / vibration / vibration+buzzer

Transmitter Keypad
The keypad comprises 999 codes made up of the digits 0-9, select the number you want to call (1-999) by pressing the digits 0-9 on the keypad, and then press call to call, if the number is wrongly selected, you can press clear to reselect another one, you can also press the + and - keys on the keypad to select the number you want to call.