Wireless alarm system

Technical Specifications: Power supply： AC 220V±20% DC 9V 300mA Static current: ≤ 40mA Alarm Current: ≤ 100mA Standby power：6V nickel hydrogen chargeable battery group Receive frequency: 433MHZ±1MH Ambient temperature: -10°C ~ 50°C Relative humidity: <80% Dimension: 160×100×32mm DB output: internal siren ≥90db within 1m external sirens Dialing parameters: -7±2dBM（high-frequency group） -9±2dBM（low-frequency group

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	Wireless alarm system	Technical Specifications: Power supply： AC 220V±20% DC 9V 300mA Static current: ≤ 40mA Alarm Current: ≤ 100mA Standby power：6V nick...
	CCTV Camera	Features: Small and delicate, smooth operation, quiet and speed. 4.5 inches high quality optical dome. 32 bits CPU control, and precision stepping...

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