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SPECIFICATIONS: Remote controller: Dimensions: 48.3×31.8×15.2mm // Weight:17g(batteries excluded) Receiver: Dimensions: 56.8×35.9×20.4mm // Weight:26g(batteries excluded) Package dimensions: 130×40×100mm. Product Features : Theft, robbery and lost prevention; Easy operation and perfect function, with only one press finish the work. Code data will not be lost when it is power off. Bidirectional alarm—promptly action, high reliability, safeguard for property. Multi-function, Anti-lost function, Vibration function, Magnetic control function, use in wide field. Higher anti-interference capability, with 128 groups of automatic bidirectional codes . Alarm≥90dB, making thieves no place to hide. Two sets of lost alarm distance, free to select. Micro radio wave, no radiation. Technical Parameters : Remote control distance≥15.(in non-alarming status), Lost preventing distance:3—5m, Remote controller: current in standby mode≤3mA, alarm current≤75mA, Receiver: current in standby mode≤3.5mA, alarm current≤60mA , Operating ambient Conditions: ambient temperature -10—80 degree, relative humidity≤90%. Operating frequency:315MHz, 433MHz. Battery service life (CR 2032 button battery). Remote controller: about 18 days, (8 hours/ day operation in standby mode). Receiver: about 20 days, ((8 hours/ day operation in standby mode).