Hand- Held Emitters Single Channel Double Channel Six Channel Sixteen Channel Hand held timing emitterHand-held 06-Channels Timing Emitter Battery type: AAA LR03-1.5V Emission current: ≤18mA Transmitted power: ≤10mW Operating temperature: -20℃~+55℃ Emission frequency: 433.92MHz / 868MHz RF Modulation mode: ASK / FSK Scroll Wheel EmitterHand-held 06 Channels Emitter Battery type: AAA X2(3V) Emission current: ≤18mA Transmitted power: ≤10mW Operating temperature: -20℃~+55℃ Emission frequency: 433.92MHz / 868MHz RF Modulation mode: ASK