[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

无线快门线分为红外遥控和2.4G射频两类:红外需对准机身正面感应窗且距离通常<5米、强光下失灵;2.4G射频可绕后触发、有效距离数十米,拍集体照/自拍或隔障碍触发选2.4G

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90%
Confidence
Long-term
Relevance
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