This is the Tactic TTX403 2.4GHz 4-Channel SLT Mini Transmitter.

Features

Compatible with all micro and mini-sized Tx-R airplanes
Servo reversing, elevon and V-tail mixing
Rudder-only models can be flown on the right or left stick
Built-in battery charger for 3.7V LiPo batteries with LED charge
status indicator
Digital trims
One year limited warranty through Hobby Services beginning at date of
purchase. This warranty does not cover damage from abuse, misuse
alteration, or accident

Includes

TTX403 2.4GHz 4-Channel SLT Mini Transmitter with Instruction Manual

Requires

Five AA batteries
Servos of modeler's choice
SLT equipped receiver

Specifications

Channels: 4
Frequencies: 2.403-2.480GHz
Modulation: FHSS spread-spectrum SL
Input Power: 5AA cells (not included)