ï» â€Š Description: 1. Solar charging, get rid of the trouble of wired charging.2. Automatic induction engine, turn on when the car vibrates, & stand by when it is at rest.3. Adopt German imported chips for precise monitoring.4. The transmission distance is long, the signal is stable, & the transmission distance can reach 40 meters.5. Live alarm, the screen will appear red when alarming, & emit "DIDI" sound.   Specification: -Internal Sensor C500 Display Monitor C500 Repeater External Sensor Internal Sensor Workingfrequency 33.92MHZ+/-20KHZ433.92MHZ+/-20KHZ433.92MHZ+/-20KHZ433.92MHZ+/-20KHZ433.92MHZ+/-20KHZTransmitpower 8d Bm 8d Bm 18d Bm 8d Bm 8d Bm Transmissionmode FSKFSKFSKFSKFSKWorkingvoltage 2~3.6V3.5~4.2V12-24V2~3.6V2~3.6 V Standbycurrent 1u A50u A1u A1u A1u A Workingtemperature-40~+125degrees-20~+80degrees-20~80degrees-20~+80degrees-40~+125degrees Size 66*32MM125*78*24MM90*25MM28*24MM66*32MMOpendistance 40meters/40meters 40meters 40meters// Receivingsensitivity:-115d Bm Note:1. When the tire is installed with a built-in sensor, a repeater needs to be installed. It is recommended to install the repeater for more than 6 wheels 2: The repeater is only a signal amplifier 3: Does not support the function of trailer replacement Batteryspecifications:CR2032/////// Nightworkingcurrent:4m A//// Workingcurrentduringtheday:2m A//   Package Included: (  Four options are available)  Type 1: 1 XDisplay Monitor   Type 2: 1 XRepeater Type 3: 1 X Internal Sensor   Type 4: 1 XExternal Sensor